1 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
3 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
4 RTL for a compare/jump sequence.
6 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
9 for a target with HAVE_cc0 defined.
10 (emit_cmp_and_jump_insns): New function.
11 * expr.h (emit_cmp_and_jump_insns): Prototype it.
12 * loop.c (check_dbra_loop): Use it to replace calls
13 to emit_cmp_insn and emit_jump_insn and to canonicalise
14 the comparison if necessary.
15 * unroll.c (unroll_loop): Likewise.
17 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
19 * fixincludes (sys/utsname.h): Provide forward declaration of
20 struct utsname on Ultrix V4.[35].
22 * mips.md (div_trap): Use local labels instead of dot-relative
25 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
27 * pa.md (branch, negated branch): Handle (const_int 0) as first
29 * pa.c (output_cbranch): Likewise.
31 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
33 * rs6000.c (rs6000_stack_info): Undo spurious part of last
36 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
38 * extend.texi (__builtin_constant_p): Add missing @smallexample.
40 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
42 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
44 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
46 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
47 (adddi_dishl32): Similarly.
49 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
50 for each insn in the skipped block.
52 * reload1.c (reload_as_needed): Verify that the insn satisfies its
53 constraints after replacing a register address with an autoincrement
54 address for reload inheritance purposes.
56 * i386.md (doubleword shifts): Avoid namespace pollution.
58 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
60 * configure.in (FreeBSD ELF): Needs special crt files.
62 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
64 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
66 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
68 * loop.c (check_dbra_loop): While reversing the loop, if the
69 comparison value has a VOID mode use the mode of the other operand
72 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
74 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
75 avoid warnings in compiling explow.c.
77 (patch from Ken Raeburn, raeburn@cygnus.com)
78 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
79 fpmem_offset. Compute total size after that, and then
80 rs6000_fpmem_offset using both values.
82 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
84 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
85 the future; indeed that already happens in some cases.
87 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
89 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
90 (arith_operand): Remove constant_p_rtx handling.
91 (const64_operand, const64_high_operand): Likewise.
92 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
93 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
94 (small_int_or_double, uns_small_int, zero_operand): Likewise.
95 * sparc.h (PREDICATE_CODES): Likewise.
97 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
99 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
101 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
102 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
103 consider constant CONSTRUCTOR constant and to defer some cases
105 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
106 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
108 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
110 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
111 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
113 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
114 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
115 (sext_add_operand, and_operand, or_operand): Likewise.
116 (reg_or_cint_operand, some_operand, input_operand): Likewise.
117 * alpha.h (PREDICATE_CODES): Likewise.
119 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
121 * version.c: Bump for snapshot.
123 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
125 * gengenrtl.c (gencode): Always use bzero to clear memory instead
126 of dangerous casts and stores.
128 * Makefile.in (compare, gnucompare): Add missing else true clauses.
130 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
132 * alpha.md (builtin_longjmp): Add missing "DONE".
134 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
136 * gcc.c (execute): Enable -pipe with win32.
138 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
140 * config/arm/t-arm-elf: Add multiplib option for leading
143 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
144 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
146 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
147 than variable 'reload_address_base_reg_class'. [Note this
148 change is unrelated to the others in this patch].
150 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
153 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
155 * alias.c (record_alias_subset): Remove ignored `&'.
156 (init_alias_once): Likewise.
158 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
160 * config/mips/mips.c (mips_asm_file_end): Cast the result of
161 fwrite to `int' when comparing against one.
163 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
164 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
166 * cse.c (rehash_using_reg): Change type of variable `i' to
169 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
172 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
174 * final.c (final_scan_insn): Likewise for variable `i'.
175 (output_asm_insn): Cast a char to unsigned char when used as an
178 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
181 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
183 * recog.c (preprocess_constraints): Cast a char to unsigned char
184 when used as an array index.
186 * regmove.c (find_matches): Likewise.
188 * reload1.c (calculate_needs): Add default case in switch.
189 (eliminate_regs_in_insn): Initialize variable `offset'.
190 (set_offsets_for_label): Change type of variable `i' to unsigned.
191 (reload_as_needed): Wrap variable `i' in macro check on
192 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
194 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
195 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
196 when comparing against one.
198 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
199 unsigned when comparing against one. Likewise for
200 GET_MODE_ALIGNMENT().
201 (layout_record): Cast record_align to int when comparing against a
203 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
206 * tree.c (get_identifier): Cast variable `len' to unsigned when
207 comparing against one.
208 (maybe_get_identifier): Likewise
210 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
212 * toplev.c (rest_of_compilation): Do not set reload_completed.
213 * reload1.c (reload): Set reload_completed before calling
214 cleanup_subreg_operands.
216 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
218 * reload1.c (emit_reload_insns): Check `set' not null before use.
220 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
222 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
225 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
227 * halfpic.c (half_pic_encode): Delete redundant code.
229 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
231 * toplev.c (main): Delete handling of -dM as a preprocessor
234 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
236 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
237 -dI, which are handled by the preprocessor.
239 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
241 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
242 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
244 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
246 * version.c: Bump for snapshot.
248 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
250 * version.c: Bump for snapshot.
252 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
254 * version.c: Bump for snapshot.
256 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
258 * genattr.c (fatal): Qualify a char* with the `const' keyword.
260 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
261 write_unit_name, write_eligible_delay, expand_units,
262 make_length_attrs, write_attr_case, find_attr,
263 make_internal_attr): Likewise.
264 * gencheck.c (tree_codes): Likewise.
265 * gencodes.c (fatal): Likewise.
266 * genconfig.c (fatal): Likewise.
267 * genemit.c (fatal): Likewise.
268 * genextract.c (fatal, walk_rtx, copystr): Likewise.
269 * genflags.c (fatal): Likewise.
270 * genopinit.c (fatal, optabs, gen_insn): Likewise.
271 * genoutput.c (fatal, error, predicates): Likewise.
272 * genpeep.c (fatal): Likewise.
273 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
274 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
276 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
278 * configure.in (with-fast-fixincludes): Fix whitespace.
279 * configure: Rebuilt.
281 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
282 asm() etc. function declarations in __DECC.
284 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
286 * expr.c (emit_move_insn_1): Only emit a clobber if the target
287 is a pseudo register.
289 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
291 * gcse.c: Include expr.h in order to get the prototype for
292 get_condition() which is used in delete_null_pointer_checks().
294 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
296 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
298 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
300 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
301 (ALL_CFLAGS): Delete SCHED_CFLAGS.
303 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
305 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
308 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
310 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
311 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
312 optimizations from the combiner.
314 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
316 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
318 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
320 * toplev.c (main): Disable optimize_size if a specific
321 optimization level is requested. Always set optimization
322 level to 2 if -Os is specified.
324 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
326 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
328 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
329 initialize it using fname.
331 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
333 * cpplib.c (do_include): Treat #include_next in the
334 primary source file as #include plus warning. Treat
335 #include_next in a file included by absolute path as an
336 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
338 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
340 * cccp.c: Don't define MIN/MAX anymore.
341 * cpplib.c: Likewise.
342 * machmode.h: Likewise.
343 * system.h: Provide definitions for MIN/MAX.
345 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
347 * fix-header.c: Don't define xstrdup here.
349 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
351 * loop.c (consec_sets_giv): New argument last_consec_insn.
352 (strength_reduce): Provide / use it.
354 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
356 * loop.h (loop_info): New field 'vtop'.
357 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
358 scanning loop for vtop.
359 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
360 (loop_iterations): Use them to determine if loop has a constant
361 number of iterations. Set loop_info->vtop. Don't subtract
362 common reg term from initial_value and final_value if have a
365 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
367 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
369 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
371 * mn10200.md (abssf2, negsf2): New expanders.
373 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
375 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
377 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
378 replaced by a CONCAT whoes components do not have the same
379 mode as the original SUBREG, use a new SUBREG to restore the
382 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
383 multiword complex values.
385 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
387 * cppalloc.c: Add xstrdup here.
388 * cpplib.h: Remove savestring prototype.
389 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
391 * cppfiles.c: s/savestring/xstrdup/ throughout.
393 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
395 * cpplib.c: Make all directive handlers read their own
397 (struct directive): Remove last two arguments from FUNC
398 member prototype. Remove `command_reads_line' member
400 (directive_table): Remove initializations of
401 command_reads_line flag. Pretty-print.
402 (eval_if_expression, do_define, do_line, do_include,
403 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
404 do_else, do_elif, do_sccs, do_assert, do_unassert,
405 do_warning): Take only two args.
407 (cpp_define): Call do_define with two args and the text to
408 define stuffed into a buffer.
409 (make_assertion): Call do_assert with two args.
410 (handle_directive): Call do_line with two args. Call
411 kt->func with two args. Remove command_reads_line
413 (do_define, do_undef, do_error, do_warning, do_pragma,
414 do_sccs): Read the rest of the line here.
415 (do_ident): Gobble rest of line, as cccp does.
416 (cpp_undef): New function.
417 (cpp_start_read): Call cpp_undef instead of do_undef.
419 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
421 * cpphash.h (union hash_value): Remove `keydef' member, add a
422 `struct hashnode *aschain' member for #assert.
424 * cpplib.c (struct tokenlist_list, struct
425 assertion_hashnode): Delete structure definitions.
426 (assertion_install, assertion_lookup, delete_assertion,
427 check_assertion, compare_token_lists, reverse_token_list,
428 read_token_list, free_token_list): Delete functions.
429 (parse_assertion): New function.
430 (cpp_cleanup): Don't destroy the assertion_hashtable.
432 (do_assert): Gut and rewrite. #assert foo (bar) places
433 entries for `#foo' and `#foo(bar)' in the macro hash table,
434 type T_ASSERT. The value union's `aschain' member is used
435 to chain all answers for a given predicate together.
436 (do_unassert): Also rewritten. Take an un-asserted
437 answer off the chain from its predicate and call
438 delete_macro on the hashnode, or walk a predicate chain
439 calling delete_macro on all the entries.
440 (cpp_read_check_assertion): Simply call parse_assertion to
441 get the canonical assertion name, and look that up in the
444 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
447 * cpphash.c (install): Use bcopy instead of an explicit loop
448 to copy the macro name.
450 * cppexp.c (cpp_lex): Convert the result of
451 cpp_read_check_assertion to a `struct operation' directly;
452 don't go through parse_number.
454 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
456 * loop.h (struct induction): Delete times_used member.
457 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
458 (n_times_used): Rename to n_times_set. Changed all users.
459 (scan_loop): Free reg_single_usage before strength reduction.
460 (record_giv, combine_givs): Remove handling of times_used member.
461 (combine_givs_used_once): Rename to:
462 (combine_givs_used_by_other) . Changed all callers.
464 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
466 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
467 instead of TREE_CODE_CLASS == 't'.
468 (gen_type_die): Likewise.
469 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
471 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
473 * real.c (endian): Disable last change unless
474 HOST_BITS_PER_WIDE_INT is greater than 32.
476 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
478 * output.h (force_data_section): New prototype.
479 * varasm.c (force_data_section): New function to force the
480 data section, regardless of what in_section thinks.
481 * dwarf2out.c (output_call_frame_info): Call force_data_section
482 since varasm may not realize we've changes sections.
484 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
486 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
487 after completeing reload.
489 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
490 deleted after reload.
492 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
494 * rtl.h (multiple_sets): Fix prototype.
495 * rtlanal.c (multiple_sets): Fix return type.
497 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
499 * version.c: Bump for snapshot.
501 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
503 * version.c: Bump for snapshot.
505 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
507 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
509 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
511 * rtl.h (recompute_reg_usage): Add second argument.
512 * flow.c (recompute_reg_usage): Likewise.
513 * toplev.c (rest_of_compilation): Supply second argument to
516 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
519 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
521 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
522 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
523 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
526 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
528 * rtlanal.c (multiple_sets): New function.
529 * rtl.h (multiple_sets): Declare it.
530 * local-alloc.c (wipe_dead_reg): Use it.
531 * global.c (global_conflicts): Likewise.
533 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
535 * global.c (record_conflicts): Don't use an array of shorts to
536 store an array of ints.
537 (global_conflicts): Likewise.
539 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
541 * alpha.c (alpha_expand_block_move): mode_for_size expects
542 bits, not bytes. Infer extra alignment from addressof.
544 1998-12-11 Michael Meissner <meissner@cygnus.com>
546 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
547 .sbss section, not .sdata.
549 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
551 * cccp.c: Do not #include <sys/stat.h> here; this is already done
553 * collect2.c: Likewise.
554 * cpplib.h: Likewise.
557 * getpwd.c: Likewise.
558 * protoize.c: Likewise.
559 * toplev.c: Likewise.
561 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
562 and don't try to define it here.
563 * Makefile.in (cppmain.o): Depend on machmode.h.
564 (cpplib.o): Likewise.
565 (cpperror.o): Likewise.
566 (cppexp.o): Likewise.
567 (cppfiles.o): Likewise.
568 (cpphash.o): Likewise.
569 (cppalloc.o): Likewise.
570 (fix-header.o): Likewise.
571 (scan-decls.o): Likewise.
573 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
575 * sh.c (print_operand): lookup interrupt_handler attribute instead
576 of relying on static variable.
577 * (calc_live_regs): Likewise.
578 * (sh_pragma_insert_attributes): Create interrupt_handler
579 attribute if a pragma was specified
580 * (sh_valid_machine_decl_attribute): Don't set static flag.
581 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
583 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
585 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
586 to determine if a register is live at a jump destination.
587 Everything is dead at a BARRIER.
589 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
591 * cse.c (simplify_unary_operation): Sign-extend constants when
592 they have the most significant bit set for the target.
593 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
595 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
596 HOST_WIDE_INT temporary before negating it.
597 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
599 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
601 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
604 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
606 * collect2.h: New header file for prototypes.
608 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
610 * collect2.c: Include collect2.h.
613 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
615 * flow.c: Update some comments.
617 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
619 * objc/objc-act.c (cpp_initialized): Removed.
620 (lang_init_options): Initialize cpplib.
621 (lang_decode_option): Move initialization of cpplib to
623 * c-lang.c: (parse_options,parse_in): Added.
624 (lang_init_options): Initialized cpplib here.
625 * c-decl.c (parse_options,cpp_initialized): Removed.
626 (c_decode_option): Move initialization of cpplib to
629 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
631 * reload1.c (reload_combine, reload_combine_note_store):
632 Make STORE_RUID always valid.
633 (reload_combine): Check if BASE is clobbered too early.
635 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
637 * reload.c (find_reloads): Display the insn that cannot be
640 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
642 * cccp.c (create_definition): Fix end of bufer logic.
644 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
646 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
647 pointer parameters changed to use the PARAMS() macro.
649 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
651 * except.h (struct handler_info): Add handler_number field.
652 * except.c (gen_exception_label): EH labels no longer need to be
653 on the permanent obstack.
654 (get_new_handler): Set the label number field.
655 (output_exception_table_entry): Regenerate handler label reference
656 from the label number field.
657 (init_eh): Remove a blank line.
658 * integrate.c (get_label_from_map): Labels no longer need to be
659 on the permanent obstack.
661 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
663 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
664 only when OUTER_CODE is SET.
666 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
668 * loop.c (strength_reduce): If scan_start points to the loop exit
669 test, be wary of subversive use of gotos inside expression statements.
670 Don't set maybe_multiple for a backward jump that does not
671 include the label under consideration into its range.
672 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
674 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
676 * explow.c (plus_constant_wide): Don't immediately return with
677 result of recursive call.
679 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
681 * eh-common.h (struct eh_context): Add table_index for rethrows.
683 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
684 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
685 processed when inlined or unrolled (ie duplicated in some way).
687 * rtl.c (reg_note_name): Add strings for new reg_note enums.
689 * expr.h (rethrow_libfunc): New library decl.
691 * optabs.c (rethrow_libfunc): Initialize.
693 * except.h (struct eh_entry): Add new field 'rethrow_label'.
694 (new_eh_region_entry): No longer exported from except.c.
695 (duplicate_handlers): Renamed to duplicate_eh_handlers and
697 (rethrow_symbol_map, rethrow_used): New exported functions.
698 (eh_region_from_symbol): New exported function.
700 * except.c (create_rethrow_ref): New function to create a single
701 SYMBOL_REF for a rethrow region.
702 (push_eh_entry): Initialize a rethrow ref.
703 (func_eh_entry): Add a rethrow_label field.
704 (new_eh_region_entry): Make static, and initialize the rethrow entry.
705 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
706 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
707 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
708 a region into an appropriate new symbol.
709 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
710 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
711 (end_catch_handler): Emit a barrier for new-exceptions since
712 control can never drop through the end of a catch block.
713 (expand_end_all_catch): new-exceptions never fall through a catch
715 (expand_rethrow): use __rethrow routine for new exceptions.
716 (output_exception_table_entry): Generate rethrow labels, if needed.
717 (output_exception_table): Generate start and end rethrow labels.
718 (init_eh): Create rethrow symbols for beginning and end of table.
719 (scan_region): Don't eliminate EH regions which are the targets of
722 * flow.c (make_edges): Add different edges for rethrow calls,
723 identified by having the REG_EH_RETHROW reg label.
724 (delete_unreachable_blocks): Don't delete regions markers which are
725 the target of a rethrow.
727 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
728 allow save_for_inline_copying to call duplicate_eh_handlers.
729 (save_for_inline_copying): Call duplicate_eh_handlers instead of
730 exposing internal details of exception regions.
731 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
732 (expand_inline_function_eh_labelmap): New callback routine to
733 allow expand_inline_function to call duplicate_eh_handlers.
734 (expand_inline_function): Call duplicate_eh_handlers instead of
735 exposing internal details of exception regions.
736 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
739 * libgcc2.c (find_exception_handler): Generalize to enable it to
740 pick up processing where it left off last time for a rethrow.
741 (__unwinding_cleanup): New function. debug hook which is called before
742 unwinding when __throw finds there is nothing but cleanups left.
743 (throw_helper): Common parts of __throw extracted out for reuse.
744 (__throw): Common parts moved to throw_helper.
745 (__rethrow): New function for performing rethrows.
747 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
749 * reload1.c (current_function_decl): Tweak declaration.
751 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
753 * c-decl.c (flag_isoc9x): Default off.
754 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
755 * cccp.c (print_help, main): Likewise.
756 * gcc.c (default_compilers): Update for -std=gnu*.
758 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
760 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
761 * demangle.h: Deleted.
763 * reload1.c (current_function_decl): Declare.
765 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
767 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
769 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
771 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
773 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
775 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
777 * configure: Rebuilt.
778 * system.h: If the *_unlocked functions are available use them
779 instead of the locked counterparts by defining macros.
780 * config.in: Regenerated.
782 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
784 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
785 wrong and should only be used for dump related things, not
786 debugging information, instead main_input_filename should be used.
787 Also, reuse output_file_directive if possible.
788 * i386/aix386ng.h (ASM_FILE_START): Likewise.
789 * i386/isc.h (ASM_FILE_START): Likewise.
790 * i386/win-nt.h (ASM_FILE_START): Likewise.
791 * i386/sun386.h (ASM_FILE_START): Likewise.
793 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
795 * configure.in (mips*-*-linux*): Handle big and little endian
797 * configure: Rebuilt.
799 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
801 * emit-rtl.c: Fix typo.
803 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
805 * reload1.c (eliminate_regs): Don't do anything, if we're not
808 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
810 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
812 * mips/mips.c (mips_select_section): Add comment.
814 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
816 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
817 characters in file names in #line to be consistent with #include
818 handling. We support escape prcessing in the # 1 "..." version of
819 the command. See also support in cp/lex.c.
820 (handle_directive): Likewise.
823 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
825 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
826 so it'll work on non-ASCII platforms. Always consider $ an
827 identifier character. Take no arguments.
828 (cpp_reader_init): Call initialize_char_syntax with no
830 (cpp_start_read): Don't call initialize_char_syntax again.
831 Clear is_idchar['$'] and is_idstart['$'] if not
832 opts->dollars_in_ident.
834 * cpplib.h (struct cpp_reader): Replace void *data element by
835 cpp_options *opts. Rearrange elements to make gdb printout
836 less annoying (put buffer stack at end).
837 (CPP_OPTIONS): Get rid of now-unnecessary cast.
839 * cppmain.c: s/data/opts/ when initializing cpp_reader
841 * c-decl.c: Likewise.
842 * objc/objc-act.c: Likewise.
843 * fix-header.c: Likewise.
845 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
847 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
848 with a struct file_name_list pointer.
849 (struct cpp_reader): Add pointer to chain of `actual
850 directory' include searchpath entries.
851 (struct file_name_list): Add *alloc pointer for the sake of
852 the actual-directory chain.
854 Move definition of HOST_WIDE_INT here.
855 (cpp_parse_escape): Change prototype to match changes in
858 * cppfiles.c (actual_directory): New function.
859 (finclude): Use it to initialize the buffer's actual_dir
861 (find_include_file): We don't need to fix up max_include_len
864 * cpplib.c (do_include): Don't allocate a file_name_list on
865 the fly for current directory "" includes, use the one that's
866 been preallocated in pfile->buffer->actual_dir. Hoist out
867 duplicate code from the search_start selection logic.
868 (cpp_reader_init): Initialize pfile->actual_dirs.
870 Remove definition of HOST_WIDE_INT. Change calls
871 to cpp_parse_escape to match changes in cppexp.c (note
872 hardcoded MASK, which is safe since this is the source
875 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
876 to handle wide character constants in #if directives. The
877 function now returns a HOST_WIDE_INT, and takes a third
878 argument which is a binary mask for all legal values (0x00ff
879 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
880 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
881 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
883 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
885 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
887 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
889 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
890 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
891 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
893 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
895 * final.c (output_asm_name): Use tabs to seperate comments from
898 Include instruction lengths (if defined) in output.
900 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
902 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
903 in the loop_info structure.
905 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
907 * configure.in: (arm*-*-ecos-elf): New target.
908 * configure: Regenerated.
909 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
910 * config/arm/ecos-elf.h: New file.
911 * config/arm/unknown-elf.h (TARGET_VERSION): Check
914 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
916 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
918 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
920 * version.c: Bump for snapshot.
922 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
924 * loop.c (check_dbra_loop): New argument loop_info. Update fields
927 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
929 * version.c: Bump for snapshot.
931 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
933 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
934 compressed reports are ok and preferred over URLs
936 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
938 * invoke.texi (Warning Options): Soften the tone of -pedantic
940 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
942 * print-rtl.c (print_rtx): Add prototype.
944 * unroll.c (iteration_info): Make it static.
946 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
948 * alias.c (memrefs_conflict_p): A second ANDed address
949 disables the aligned address optimization.
951 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
953 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
956 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
958 * i960.h (BOOL_TYPE_SIZE): Define.
960 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
962 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
963 from old valid_parallel_operands_4.
964 (valid_parallel_operands_4): Check that operands for 4 operand
965 parallel insns are valid, excluding load/store insns.
966 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
967 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
968 valid_parallel_load_store instead of valid_parallel_operands_4.
969 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
970 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
971 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
972 *notqi_movqi_clobber): Use valid_parallel_operands_4.
973 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
974 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
975 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
977 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
979 * config/c4x/c4x.c (iteration_info): Delete extern.
981 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
983 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
985 * final.c (cleanup_subreg_operands): Delete some unused code.
987 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
988 (struct insn_alternative): New structure definition.
989 (recog_op_alt): Declare variable.
990 (preprocess_constraints): Declare function.
991 * recog.c (recog_op_alt): New variable.
992 (extract_insn): Verify number of alternatives is in range.
993 (preprocess_constraints): New function.
994 * reg-stack.c: Include recog.h.
995 (constrain_asm_operands): Delete.
996 (get_asm_operand_lengths): Delete.
997 (get_asm_operand_n_inputs): New function.
998 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
999 N_OUTPUTS args. All callers changed.
1000 Compute number of inputs and outputs here by calling
1001 get_asm_operand_n_inputs.
1002 Instead of constrain_asm_operands, call extract_insn,
1003 constrain_operands and preprocess_constaints. Use information
1004 computed by these functions throughout.
1005 (record_reg_life): Delete code that is unused due to changes in
1006 record_asm_reg_life.
1007 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1008 N_INPUTS and N_OUTPUTS args. All callers changed.
1009 Similar changes as in record_asm_reg_life.
1010 (subst_stack_regs): Move n_operands declaration into the if statement
1012 Delete code that is unused due to changes in subst_asm_stack_regs.
1013 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1015 * Makefile.in (reg-stack.o): Depend on recog.h.
1017 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1019 * except.c (set_exception_version_code): Argument is an "int".
1021 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1023 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1024 * configure: Rebuilt.
1026 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1028 * configure.in (mipsel-*-linux*): New target.
1029 * mips/linux.h: New file, based on other Linux targets.
1031 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1033 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1034 runs in the context of the deleter, not the deletee, so we must
1035 use taskVarGet to find the correct memory to free.
1036 (__gthread_key_create): Initialize the task
1037 variable subsystem so that the task variable is still active when
1038 the delete hook is run.
1040 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1042 * pdp11.h: Use optimize_size for space optimizations.
1043 * pdp11.c: Likewise.
1044 * pdp11.md: Likewise.
1046 * pdp11.h (TARGET_40_PLUS): Fix typo.
1048 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1050 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1053 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1055 * alias.c (addr_side_effect_eval): New function.
1056 (memrefs_conflict_p): Use it.
1057 * rtl.h (addr_side_effect_eval): Prototype it.
1059 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1061 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1063 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1065 * reload.c (find_reloads): When force const to memory, put result
1066 in substed_operand not *recog_operand_loc.
1068 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1070 * c-lex.c: Fix indentation from last patch.
1071 Remove trailing whitespace.
1074 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1076 * flow.c (delete_block): Call set_last_insn after we have reset
1077 NEXT_INSN (kept_tail).
1079 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1081 * mips.md (trap_if): Use "$0" for the value zero.
1083 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1084 Stephen L Moshier <moshier@world.std.com>
1085 Richard Henderson <rth@cygnus.com>
1087 * c-common.c (declare_function_name): Declare predefinied variable
1090 * c-decl.c (flag_isoc9x): Set to 1 by default.
1091 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1092 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1094 * c-parse.in: Allow constructors in ISO C 9x.
1095 Rewrite designator list handling.
1096 Allow [*] parameters.
1097 Don't warn about comma at end of enum definition for ISO C 9x.
1099 * cccp.c (c9x): New variable.
1100 (rest_extension): New variable.
1101 (print_help): Document new -std= option.
1102 (main): Recognize -std= option. Set c9x appropriately.
1103 (create_definition): Recognize ISO C 9x vararg macros.
1105 * gcc.c (default_compilers): Adjust specs for -std options.
1106 (option_map): Add --std.
1107 (display_help): Document -std.
1109 * toplev.c (documented_lang_options): Add -std and remove
1112 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1113 or REAL_VALUE_HTOF based on base of the constants.
1114 * fold-const.c (real_hex_to_f): New function. Replacement function
1115 for hex FP conversion if REAL_ARITHMETIC is not defined.
1116 * real.c (asctoeg): Add handling of hex FP constants.
1117 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1120 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1122 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1123 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1124 expansion. Use hi/lo as destination register.
1126 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1127 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1128 Avoid as macro expansion. Use hi/lo as destination register.
1130 * mips.h (MASK_CHECK_RANGE_DIV): New.
1131 (MASK_NO_CHECK_ZERO_DIV): New.
1132 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1133 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1134 return address for leaf functions out of r31 to support
1135 builtin_return_address.
1137 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1139 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1140 NEXT_INSN(x) to check insn x.
1142 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1144 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1145 last insn in the rtl chain.
1147 * reload1.c (reload): Do not set reload_completed or split insns
1149 * toplev.c (rest_of_compilation): Set reload_completed after
1150 reload returns. Split insns after reload_cse has run.
1152 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1154 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1156 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1158 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1160 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1162 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1163 use of user-label_prefix.
1165 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1167 * reload1.c (emit_reload_insns): Clear spill_reg_store
1168 when doing a new non-inherited reload from the same pseudo.
1170 * local-alloc.c (function_invariant_p): New function.
1171 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1172 to decide if an equivalence should be recorded.
1173 * reload1.c (num_eliminable_invariants): New static variable.
1174 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1175 to decide if an equivalence should be recorded.
1177 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1178 Take num_eliminable_invariants into account when deciding
1179 if register elimination should be done.
1180 (reload_as_needed): Take num_eliminable_invariants into account
1181 when deciding if register elimination should be done.
1182 (eliminate_regs): Handle non-constant reg_equiv_constant.
1183 * rtl.h (function_invariant_p): Declare.
1185 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1187 * version.c: Bump for snapshot.
1189 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1191 * version.c: Bump for snapshot.
1193 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1195 * except.c (add_new_handler): Complain about additional handlers
1196 after one that catches everything.
1198 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1200 * configure.in (alpha*-*-netbsd): Fix typo.
1201 * configure: Rebuilt.
1203 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1205 * system.h: Include libiberty.h.
1207 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1208 function `concat' from fixed parameters to variable parameters,
1209 as is done in libiberty. All callers of concat/concat3
1210 changed to use the new `concat' with variable args.
1212 * cccp.c: Remove things made redundant by libiberty.h and/or
1213 conform to libiberty standards.
1215 * collect2.c: Likewise.
1216 * config/1750a/1750a.h: Likewise.
1217 * cppalloc.c: Likewise.
1218 * cppexp.c: Likewise.
1219 * cppfiles.c: Likewise.
1220 * cpphash.c: Likewise.
1221 * cpplib.c: Likewise.
1222 * dyn-string.c: Likewise.
1223 * fix-header.c: Likewise.
1226 * genattr.c: Likewise.
1227 * genattrtab.c: Likewise.
1228 * gencheck.c: Likewise.
1229 * gencodes.c: Likewise.
1230 * genconfig.c: Likewise.
1231 * genemit.c: Likewise.
1232 * genextract.c: Likewise.
1233 * genflags.c: Likewise.
1234 * gengenrtl.c: Likewise.
1235 * genopinit.c: Likewise.
1236 * genoutput.c: Likewise.
1237 * genpeep.c: Likewise.
1238 * genrecog.c: Likewise.
1239 * getpwd.c: Likewise.
1240 * halfpic.c: Likewise.
1242 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1243 in NEED_DECLARATION_* macros.
1245 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1246 conform to libiberty standards.
1247 (fatal): Fix const-ification of variable `format' in
1248 !ANSI_PROTOTYPES case.
1250 * prefix.c: Remove things made redundant by libiberty.h and/or
1251 conform to libiberty standards.
1253 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1254 conflicting with function `spaces' from libiberty.
1256 * profile.c: Remove things made redundant by libiberty.h and/or
1257 conform to libiberty standards.
1258 * protoize.c: Likewise.
1261 * tlink.c: Likewise.
1262 * toplev.c: Likewise.
1263 * toplev.h: Likewise.
1266 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1268 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1270 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1272 * README.C4X: Updated URLs.
1273 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1274 (valid_parallel_operands_5): Remove unused variable.
1276 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1278 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1280 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1282 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1283 which can be configured.
1284 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1285 (Makefile): Pass actual LANGUAGES through the environment when
1287 (cstamp-h): Likewise.
1288 (config.status): Likewise.
1290 * configure.in (enable_languages): Add new configuration parameter
1291 "--enable-languages=lang1,lang2,...".
1292 (${srcdir}/*/config-lang.in): Change handling to configure only
1293 those directories, that the user might have enabled; default to
1294 "all" existing languages.
1295 * configure: Regenerate.
1297 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1299 * rtlanal.c (regs_set_between_p): New function.
1300 * rtl.h (regs_set_between_p): Prototype it.
1301 * jump.c (jump_optimize): Use it instead of modified_between_p
1302 in the Sep 2 change.
1304 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1305 Matthias Pfaller <leo@dachau.marco.de>
1307 * invoke.texi (Option Summary, NS32K Options): add description
1308 of NS32K specific options.
1310 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1311 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1312 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1313 negdf2, absdf2): Use l instead of f since the double class and
1314 float class are no longer the same.
1315 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1316 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1317 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1318 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1320 (cmpsi, cmphi, cmpqi): use general_operand instead of
1321 non_immediate_operand. Removes erroneous assumption that can't
1323 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1324 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1326 (movstrsi, movstrsi1, movstrsi2): completely new block move
1328 (...): Patterns to exploit multiply-add instructions.
1329 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1330 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1331 patterns to exploit extended divide insns.
1332 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1335 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1336 float return values as well as simple scalar floats.
1337 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1338 support new flag to denote 32381 fpu.
1339 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1340 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1342 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1343 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1344 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1345 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1346 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1347 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1348 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1349 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1350 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1351 fpu registers and special register classes for new 32381
1352 instructions dotf and polyf.
1353 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1355 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1356 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1358 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1359 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1360 (REGISTER_MOVE_COST): move code to register_move_cost function for
1361 ease of coding and debugging.
1362 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1363 LONG_FLOAT_REGO is likely spilled but not caught by default
1365 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1366 instead of hard coded numbers in range check.
1367 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1368 (...): Add prototypes for functions in ns32k.c but disable because
1369 of problems when ns32k.h is included in machine independant files.
1371 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1372 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1373 hard_regno_mode_ok, secondary_reload_class,
1374 print_operand, print_operand_address): new register scheme to
1375 include 32381 fpu registers and special register classes for new
1376 32381 instructions dotf and polyf.
1377 (gen_indexed_expr): Make static to keep namespace clean.
1378 (check_reg): remove since never called.
1379 (move_tail, expand_block_move): helper functions for "movstrsi"
1381 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1382 Increase cost of moves which go via memory.
1383 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1384 (CPP_PREDEFINES): nolonger predefine "unix".
1386 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1387 Remove erroneous %$. print_operand() can work out from the rtx is
1388 an immediate prefix is required.
1390 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1391 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1392 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1394 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1397 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1398 Correct handling of pic operands.
1399 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1400 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1401 -mrtd calling convention.
1403 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1405 * gcc.c (option_map): Recognize --output-class-directory.
1407 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1409 * loop.h (precondition_loop_p): Added new mode argument.
1410 * unroll.c (precondition_loop_p): Likewise.
1411 (approx_final_value): Function deleted and subsumed
1412 into loop_iterations.
1413 (loop_find_equiv_value): New function.
1414 (loop_iterations): Use loop_find_equiv_value to find increments
1415 too large to be immediate constants. Also use it to find terms
1416 common to initial and final iteration values that can be removed.
1418 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1420 * loop.h (struct loop_info): Define new structure.
1421 (precondition_loop_p): Added prototype.
1422 (unroll_loop): Added new argument loop_info to prototype.
1423 (final_biv_value, final_giv_value): Added new argument n_iterations
1425 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1426 and new pointer loop_info.
1427 (loop_n_iterations): Replace global variable by element in
1428 loop_info structure.
1429 (check_final_value): New argument n_iterations.
1430 (insert_bct): New argument loop_info.
1431 (loop_unroll_factor): Replace global array by element in
1432 loop_info structure.
1433 (loop_optimize): Remove code to allocate and initialise
1434 loop_unroll_factor_array.
1435 * unroll.c (precondition_loop_p): No longer static since
1436 used by branch on count optimization.
1437 (precondition_loop_p, unroll_loop): New argument loop_info.
1438 (final_biv_value, final_giv_value, find_splittable_regs): New
1439 argument n_iterations.
1440 (loop_iteration_var, loop_initial_value, loop_increment,
1441 loop_final_value, loop_comparison_code, loop_unroll_factor):
1442 Replaced global variables by loop_info structure.
1443 (loop_unroll_factor): Replace global array by element in
1444 loop_info structure.
1446 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1448 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1451 * unroll.c (precondition_loop_p): Return loop_initial_value
1452 for initial_value instead of loop_iteration_var.
1454 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1456 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1457 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1458 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1459 to output the instruction sequences.
1461 (rptb_top): Provide alternatives to use any register or memory
1463 (rptb_end): Emit use of operands rather than assigning them
1464 explicitly to the RS and RE registers.
1466 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1468 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1469 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1470 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1471 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1472 c4x_merge_notes, c4x_parallel_process,
1473 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1474 c4x_combine_parallel): Delete.
1476 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1478 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1479 with old target options clear flag_branch_on_count_reg if
1480 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1482 (c4x_output_cbranch): Handle a sequence of insns rather than a
1484 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1485 has not been allocated as the loop counter.
1486 (c4x_address_conflict): Do not allow two volatile memory references.
1487 (valid_parallel_operands_4, valid_parallel_operands_5,
1488 valid_parallel_operands_6): Reject pattern if the register destination
1489 of the first set is used as part of an address in the second set.
1491 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1493 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1494 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1495 is no longer enabled if PARALLEL_MPY_FLAG set.
1496 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1497 (REG_CLASS_CONTENTS): Add braces around initializers.
1498 (HAVE_MULTIPLE_PACK): Define.
1499 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1500 REAL_VALUE_TO_DECIMAL.
1501 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1502 REAL_VALUE_TO_DECIMAL.
1503 (ar0_reg_operand): Add prototype.
1504 (ar0_mem_operand): Likewise.
1505 (ar1_reg_operand): Likewise.
1506 (ar1_mem_operand): Likewise.
1507 (ar2_reg_operand): Likewise.
1508 (ar2_mem_operand): Likewise.
1509 (ar3_reg_operand): Likewise.
1510 (ar3_mem_operand): Likewise.
1511 (ar4_reg_operand): Likewise.
1512 (ar4_mem_operand): Likewise.
1513 (ar5_reg_operand): Likewise.
1514 (ar5_mem_operand): Likewise.
1515 (ar6_reg_operand): Likewise.
1516 (ar6_mem_operand): Likewise.
1517 (ar7_reg_operand): Likewise.
1518 (ar7_mem_operand): Likewise.
1519 (ir0_reg_operand): Likewise.
1520 (ir0_mem_operand): Likewise.
1521 (ir1_reg_operand): Likewise.
1522 (ir1_mem_operand): Likewise.
1523 (group1_reg_operand): Likewise.
1524 (group1_mem_operand): Likewise.
1525 (ir1_reg_operand): Likewise.
1526 (arx_reg_operand): Likewise.
1527 (not_rc_reg): Likewise.
1528 (not_modify_reg): Likewise.
1529 (c4x_group1_reg_operand): Remove prototype.
1530 (c4x_group1_mem_operand): Likewise.
1531 (c4x_arx_reg_operand): Likewise.
1533 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1535 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1536 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1538 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1540 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1543 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1545 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1546 unless FMOVD_WORKS is defined.
1548 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1550 * regclass.c (init_reg_sets): Move code that calculates tables
1551 dependent on reg_class_contents from here...
1552 (init_reg_sets_1): To here.
1554 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1556 * cpplib.h: Delete struct import_file. Add ihash element to
1557 struct cpp_buffer. Delete dont_repeat_files and
1558 import_hash_table elements from cpp_reader; change
1559 all_include_files to a hash table. Delete all foobar_include
1560 / last_foobar_include elements from struct cpp_options; put
1561 back four such: quote_include, bracket_include,
1562 system_include, after_include. Redo struct file_name_list
1563 completely. Add new structure type include_hash. Add
1564 prototypes for merge_include_chains and include_hash. Change
1565 prototypes for finclude, find_include_file, and
1566 append_include_chain to match changes below.
1568 * cppfiles.c (simplify_pathname, include_hash,
1569 remap_filename, merge_include_chains): New functions.
1570 (add_import, lookup_import, open_include_file): Removed.
1571 (INO_T_EQ): Define this (copied from cccp.c).
1572 (hack_vms_include_specification): Remove all calls and #if 0
1573 out the definition. It was being called incorrectly and at
1574 the wrong times. Until a VMSie can look at this, it's better
1575 to not pretend to support it.
1576 (append_include_chain): Change calling convention; now takes
1577 only one directory at a time, and sets up the data structure
1579 (redundant_include_p): Rewritten - this is now used for all
1580 include redundancy, whether by #ifndef, #import, or #pragma
1581 once. Looks up things in the include hash table.
1582 (file_cleanup): Decrement pfile->system_include_depth here if
1584 (find_include_file): Calling convention changed; now passes
1585 around a struct include_hash instead of 3 separate parameters.
1586 Guts ripped out and replaced with new include_hash mechanism.
1587 (finclude): Calling convention changed as for
1588 find_include_file. Error exits pulled out-of-line. Reformat.
1589 (safe_read): Return a long, not an int.
1590 (deps_output): Don't recurse.
1592 * cpplib.c (is_system_include): Deleted.
1593 (path_include): Fix up call to append_include_chain.
1594 (do_include): Fix up calls to find_include_file and finclude.
1595 Clean up dependency output a bit. Shorten obnoxiously lengthy
1596 #import warning message. Don't decrement
1597 pfile->system_include_depth here.
1598 (do_pragma): Understand the include_hash structure. Reformat.
1599 (do_endif): Correct handling of control macros. Understand
1601 (cpp_start_read): Fix up calls to finclude. Call
1602 merge_include_chains.
1603 (cpp_handle_option): Fix up calls to append_include_chain.
1604 Understand the four partial include chains.
1605 (cpp_finish): Add debugging code (#if 0-ed out) for the
1607 (cpp_cleanup): Free the include_hash, not the import hash and
1608 the all_include and dont_repeat lists which no longer exist.
1610 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1612 * toplev.c (no_new_pseudos): Define.
1613 (rest_of_compilation): Set no_new_pseudos as needed.
1614 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1615 if no_new_pseudos is set.
1616 * rtl.h (no_new_pseudos): Declare it.
1617 * reload1.c (reload): Update comments.
1618 * md.texi: Corresponding changes.
1620 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1622 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1623 (choose_reload_regs): Rename it here as well. When computing it,
1624 also merge in used hardregs.
1626 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1628 * gcc.c: Split out Objective-C specs to...
1629 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1632 * c-lex.c (init_parse): Always initialize the filename global.
1633 * objc/objc-act.c (lang_init): Always call check_newline at
1636 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1638 * reload1.c (reload): Remove unused variable.
1639 (reload_reg_free_for_value_p): Add missing parameter definition.
1641 * jump.c (jump_optimize): Remove unused variable.
1643 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1645 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1647 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1649 * expr.c (move_by_pieces): Similarly.
1650 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1651 * flow.c (find_auto_inc): Similarly.
1652 (try_pre_increment): Similarly.
1653 * loop.c (strength_reduce): Similarly.
1654 * regclass.c (auto_inc_dec_reg_p): Similarly.
1655 * regmove.c (try_auto_increment): Similarly.
1656 (fixup_match_1): Similarly.
1657 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1658 (HAVE_PRE_DECREMENT): Similarly.
1659 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1660 * Corresponding changes to all target header files.
1661 * tm.texi: Update docs for autoinc addressing modes.
1663 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1665 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1666 * configure: Rebuild.
1667 * config/elfos.h: New file.
1668 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1669 config/m68k/t-m68kelf: New file.
1671 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1673 * Makefile.in (HOST_AR): Define.
1674 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1675 (libcpp.a): Use the host tools explicitly.
1676 (STAGESTUFF): Add libcpp.a.
1678 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1680 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1681 to source and destination registers.
1683 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1685 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1686 The strategy we now use is to pre allocate the top_elt along
1687 with the EH context so that each thread has its own top_elt.
1688 This is necessary as the dynmanic cleanup chain is used on the
1689 top element of the stack and each thread MUST have its own.
1690 (eh_context_static): Likewise.
1691 (new_eh_context): Likewise.
1692 (__sjthrow): Likewise.
1694 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1696 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1697 * i386.md (prologue_get_pc): Remove unused variable.
1699 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1701 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1703 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1705 * Makefile.in (OBJS): Add graph.o
1706 (graph.o): New dependency list.
1707 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1708 * print-rtl.c (dump_for_graph): Define new variable.
1709 (print_rtx): Rewrite to allow use in graph dumping functions.
1710 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1711 finish_graph_dump_file.
1712 Define graph_dump_format.
1713 (compile_file): If graph dumping is enabled also clear these files.
1714 Finish graph dump files.
1715 (rest_of_compilation): Also dump graph information if enabled.
1716 (main): Recognize -dv to enabled VCG based graph dumping.
1717 * graph.c: New file. Graph dumping functions.
1719 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1721 * configure.in: Look for <sys/stat.h>.
1722 * system.h: Include it before substitute S_ISREG definitions.
1724 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1726 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1727 * config/mips/iris6.h: Same.
1728 * config/mips/mips.md: Same.
1729 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1730 * config/mips/mips.h: Same; also define ABI_O64.
1732 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1734 * configure.in: Use AC_PREREQ(2.12.1).
1736 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1738 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1739 * cpplib.c, gcc.c: Likewise.
1740 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1742 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1744 * local-alloc.c (local_alloc): Use malloc not alloca for
1745 reg_qty, reg_offset, ref_next_in_qty.
1747 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1749 * caller-save.c (insert_one_insn): Initialize the live_before and
1750 live_after register sets.
1754 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1755 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1756 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1757 (fp_reg_names, assembler_dialect): New variables.
1758 (print_operand_address): Handle SUBREGs.
1759 (print_operand): Added 'o' case.
1760 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1761 Name of FP registers depends on mode.
1762 (expand_block_move): Emit different code for SH4 hardware.
1763 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1764 (from_compare): Likewise.
1765 (add_constant): New argument last_value. Changed all callers.
1766 (find_barrier): Don't try HImode load for FPUL_REG.
1767 (machine_dependent_reorg): Likewise.
1768 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1769 (gen_far_branch): Emit a barrier after the new jump.
1770 (barrier_align): Don't trust instruction lengths before
1772 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1773 Use auto-inc addressing for fp registers if doubles need to
1774 be loaded in two steps.
1775 Set sh_flag_remove_dead_before_cse.
1776 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1777 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1778 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1779 Support for FIRST_XD_REG .. LAST_XD_REG.
1780 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1781 (sh_expand_epilogue): Likewise.
1782 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1783 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1784 (arith_reg_operand): FPUL_REG is OK for SH4.
1785 (fp_arith_reg_operand, fp_extended_operand) New functions.
1786 (tertiary_reload_operand, fpscr_operand): Likewise.
1787 (commutative_float_operator, noncommutative_float_operator): Likewise.
1788 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1789 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1790 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1791 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1792 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1793 (CONDITIONAL_REGISTER_USAGE): Likewise.
1794 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1795 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1796 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1797 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1798 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1799 to -1 and sh_flag_remove_dead_before_cse to 1.
1800 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1801 (assembler_dialect, fp_reg_names): Declare.
1802 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1803 Hide names of registers that are not accessible.
1804 (CACHE_LOG): Take TARGET_CACHE32 into account.
1805 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1806 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1807 (FIRST_PSEUDO_REGISTER: Now 49.
1808 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1809 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1810 (HARD_REGNO_MODE_OK): Update.
1811 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1812 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1813 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1814 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1815 (NPARM_REGS): Eight floating point parameter registers on SH4.
1816 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1817 in floating point registers.
1818 (GET_SH_ARG_CLASS) Likewise.
1819 Complex float types are also returned in float registers.
1820 (BASE_ARG_REG): Complex float types are also passes in float registers.
1821 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1822 (LIBCALL_VALUE): Remove trailing semicolon.
1823 (ROUND_REG): Round when double precision value is passed in floating
1825 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1826 passed on the stack.
1827 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1828 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1829 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1830 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1831 (MODE_DISP_OK_8): Not for SH4 DFmode.
1832 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1833 Allow indexed addressing for PSImode after reload.
1834 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1835 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1836 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1837 (DOUBLE_TYPE_SIZE): 64 for SH4.
1838 (RTX_COSTS): Add PLUS case.
1839 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1840 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1841 MAC_REGS, PR_REGS, DF_REGS.
1842 (REGISTER_NAMES): Use fp_reg_names.
1843 (enum processor_type): Add PROCESSOR_SH4.
1844 (sh_flag_remove_dead_before_cse): Declare.
1845 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1846 (PREDICATE_CODES): Add binary_float_operator,
1847 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1848 fpscr_operand, noncommutative_float_operator.
1849 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1850 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1851 * sh.md (attribute cpu): Add value sh4.
1852 (attrbutes fmovd, issues): Define.
1853 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1854 (function units memory, int, mpy, fp): Make dependent on issue rate.
1855 (function units issue, single_issue, load_si, load): Define.
1856 (function units load_store, fdiv, gp_fpul): Define.
1857 (attribute hit_stack): Provide proper default.
1858 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1859 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1860 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1861 (mulsi3_call): Now uses match_operand for function address.
1862 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1864 (push, pop, push_e, pop_e): Now define_expands.
1865 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1866 (movsi_ie): Added y/i alternative.
1867 (ic_invalidate_line_i, movdf_i4): New insns.
1868 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1869 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1870 (movdf): Add special code for SH4.
1871 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1872 (call_valuei, calli, call_value): Likewise.
1873 (movsf): Emit no-op move.
1874 (mov_nop, movsi_y): New insns.
1875 (blt, sge): generalize to handle DFmode.
1876 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1877 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1878 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1879 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1880 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1881 (toggle_sz): New insn.
1882 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1883 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1884 (macsf3): Make use of fpscr visible. Disable for SH4.
1885 (floatsisf2): Make use of fpscr visible.
1886 (floatsisf2_i4): New insn.
1887 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1888 (ieee_ccmpeqsf_t): Likewise.
1889 (fix_truncsfsi2): Emit different code for SH4.
1890 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1891 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1892 (negsf2, sqrtsf2, abssf2): Now expanders.
1893 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1894 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1895 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1896 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1897 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1898 (fix_truncdfsi2_i4_2+1): New splitters.
1899 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1900 (extendsfdf2, truncdfsf2): New expanders.
1901 (truncdfsf2_i4): New insn.
1902 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1903 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1904 * float-sh.h: When testing for __SH3E__, also test for
1905 __SH4_SINGLE_ONLY__ .
1906 * va-sh.h (__va_freg): Define to float.
1907 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1908 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1909 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1910 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1912 (TARGET_SH4_P): Define.
1915 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1916 init_expr_once is satisfied about the existence of load / store insns.
1918 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1919 change m constraint in source operand to mr / mf .
1921 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1923 * (__VA_REEF): Define.
1924 (__va_arg_sh1): Use it.
1926 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1928 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1930 * i386/dgux.c (struct option): Add new "description field".
1931 * m88k/m88k.c (struct option): Likewise.
1933 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1935 * version.c: Bump for snapshot.
1937 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1939 * regmove.c (regmove_profitable_p): Use return value of find_matches
1942 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1944 * version.c: Bump for snapshot.
1946 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1948 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1949 without reload having been called earlier.
1951 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1953 (v850_reorg): Similarly.
1955 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1957 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1959 * loop.c (move_movables): Start of libcall might be new loop start.
1961 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1963 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1965 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1967 * function.c (nonlocal_goto_handler_slots): Renamed from
1968 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1969 (push_function_context_to): Adjust for this change.
1970 (pop_function_context_from): Likewise.
1971 (init_function_start): Likewise.
1972 (expand_function_end): Likewise.
1973 * function.h (struct function): Likewise.
1974 * calls.c (expand_call): Likewise.
1975 * explow.c (allocate_dynamic_stack_space): Likewise.
1976 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1977 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1979 (expand_goto): When doing a nonlocal goto, find corresponding handler
1980 slot for it. Don't put the label address in the static chain register.
1981 (expand_end_bindings): Break out nonlocal goto handling code into
1982 three new functions.
1983 (expand_nl_handler_label, expand_nl_goto_receiver,
1984 expand_nl_goto_receivers): New static functions, broken out of
1985 expand_end_bindings and adapted to create one handler per nonlocal
1987 * function.c (delete_handlers): Delete insn if it references any of
1988 the nonlocal goto handler slots.
1989 * i960.md (nonlocal_goto): Comment out code that modifies
1991 * sparc.md (nonlocal_goto): Likewise.
1992 (goto_handler_and_restore_v9): Comment out.
1993 (goto_handler_and_restore_v9_sp64): Comment out.
1995 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1997 * expr.c (STACK_BYTES): Delete unused macro.
1998 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1999 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2000 (expand_call): Likewise.
2001 (emit_library_call): Likewise.
2002 (emit_library_call_value): Likewise.
2003 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2004 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2005 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2006 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2007 (allocate_dynamic_stack_space): Likewise.
2008 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2009 (STACK_BOUNDARY): Update description to reflect the new situation.
2011 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2013 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2014 return with a filled delay slot is followed by a return with an
2015 unfilled delay slot, delete the first return and reemit the insn
2016 that was previously in its delay slot.
2018 * i860.c (single_insn_src_p): Add missing parens.
2019 * ginclude/math-3300.h: Likewise.
2021 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2023 * regclass.c (init_reg_sets_1): Add prototype.
2024 (init_reg_modes): Likewise.
2026 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2028 * c-common.c: Change warning messages to say `comparison is
2029 always true' or `comparison is always false' instead of the
2030 confusing `is always 0', `is always 1'.
2032 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2034 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2035 break instead of return (which loses closing '>').
2037 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2039 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2040 standard 387 constants.
2042 * i386.md (jump): Explicitly set "memory" attribute.
2043 (indirect_jump, prologue_set_stack_ptr): Likewise.
2044 (prologue_get_pc_and_set_got, pop): Likewise.
2045 (allocate_stack_worder, blockage, return_internal): Likewise.
2046 (return_pop_internal, nop): Likewise.
2047 (epilogue_set_stack_ptr, leave): Likewise.
2049 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2051 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2053 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2055 * reload1.c (reload_reg_free_for_value_p):
2056 Early auto_inc reloads don't conflict with outputs.
2058 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2060 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2061 Instead call AC_HEADER_SYS_WAIT.
2063 * collect2.c: Don't provide defaults for sys/wait.h macros.
2065 * protoize.c: Likewise. Also, don't include sys/wait.h.
2067 * system.h: Include sys/wait.h and provide macro defaults.
2069 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2071 * Makefile.in (mandir): Set to @mandir@.
2072 (man1dir): New variable to hold the former value of $(mandir).
2073 Replace all uses of $(mandir) by $(man1dir).
2075 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2077 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2078 a new one before passing it to force_const_mem.
2080 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2081 find_reloads_address call.
2083 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2085 * expr.c (store_expr): Don't generate load-store pair
2086 if TEMP is identical (according to ==) with TARGET.
2088 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2090 * reload1.c (reload_reg_free_for_value_p): When considered reload
2091 has an output, matching inputs are not sufficient to avoid conflict.
2093 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2095 * hash.h (hash_table_key): New type.
2096 (hash_entry): Change `string' field to generic `key'.
2097 (hash_table): Add `comp' and `hash' functions.
2098 (hash_table_init): Take them as input.
2099 (hash_table_init_n): Likewise.
2100 (hash_lookup): Modify for generic keys.
2101 (hash_newfunc): Likewise.
2102 (hash_traverse): Likewise.
2103 (string_hash): New function.
2104 (string_compare): Likewise.
2105 (string_copy): Likewise.
2106 * hash.c (hash_table_init_n): Modify for generic keys.
2107 (hash_table_init): Likewise.
2108 (hash_lookup): Likewise.
2109 (hash_newfunc): Likewise.
2110 (hash_traverse): Likewise.
2111 (string_hash): Split out from hash_lookup.
2112 (string_compare): New function.
2113 (string_copy): Split out from hash_lookup.
2114 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2116 (symbol_hash_lookup): Likewise.
2117 (file_hash_newfunc): Likewise.
2118 (file_hash_lookup): Likewise.
2119 (demangled_hash_newfunc): Likewise.
2120 (demangled_hash_lookup): Likewise.
2121 (tlink_int): Likewise.
2122 (read_repo_file): Likewise.
2123 (recompile_files): Likewise.
2124 (demangle_new_symbols): Likewise.
2125 (scan_linker_output): Likewise.
2127 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2129 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2131 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2133 * rs6000.c (output_mi_thunk): Improve test for local branch.
2135 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2137 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2139 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2141 * reload1.c (reload_reg_free_before_p): Delete.
2142 Changed all callers to use reload_reg_free_for_value_p instead.
2143 (reload_reg_free_for_value_p): Handle more reload types.
2144 A RELOAD_FOR_INPUT doesn't conflict with its
2145 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2146 Add special case for OUT == const0_rtx.
2147 Added ignore_address_reloads argument. Changed all callers.
2149 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2151 * toplev.c (compile_file): Don't pedwarn about undefined static
2152 functions just because we passed -Wunused.
2154 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2156 * function.c (purge_addressof_1): Unshare rtl created by
2159 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2161 * regmove.c (regmove_optimize): Don't do anything but
2162 optimize_reg_copy[123] when flag_regmove is not set.
2164 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2166 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2167 value in paradoxical SImode result, rather than truncating midpoint.
2169 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2171 * alpha.c (reg_not_elim_operand): New.
2172 * alpha.h (PREDICATE_CODES): Add it.
2173 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2174 for the multiplicand.
2176 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2178 * rs6000.md (movsf): Remove explicit secondary-reload-like
2179 functionality. Only truncate SFmode store if in FPR.
2180 (movsf splitters): Combine const_double splitters.
2181 (movsf_hardfloat): Add GPR support.
2183 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2185 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2186 deprecate -mlive-g0 and -mbroken-saverestore.
2187 * t-splet (MULTILIB_OPTIONS): Likewise.
2189 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2190 in a leaf function. Clarify total_size/extra_size relationship.
2192 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2194 * i386/cygwin32.asm: Delete.
2195 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2196 * i386/cygwin32.h: Delete.
2197 * i386/cygwin.h: New file, renamed from cygwin32.h.
2198 * i386/t-cygwin32: Delete.
2199 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2200 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2201 * i386/x-cygwin32: Delete.
2202 * i386/x-cygwin: New file, renamed from x-cygwin32.
2203 * i386/xm-cygwin32: Delete.
2204 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2205 renamed cygwin_ funcs for path translations.
2206 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2207 * i386/winnt.c: Remove "32" from comment about cygwin.
2208 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2209 * rs6000/cygwin32.h: Delete.
2210 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2211 -D__CYGWIN__ to CPP_PREDEFINES.
2212 * rs6000/x-cygwin32: Delete.
2213 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2214 * rs6000/xm-cygwin32: Delete.
2215 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2217 * configure.in: Check for cygwin* instead of cygwin32. Account
2218 for the rename of cygwin-related config files to lose the "32"s.
2219 * configure: Regenerate.
2221 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2222 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2224 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2226 * Makefile.in (JAVAGC): New macro.
2227 * configure: Rebuilt.
2228 * configure.in: Recognize --enable-java-gc argument. Subst
2231 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2233 Handle equivalences that have been obscured by gcse:
2235 * reload1.c (reload): Handle equivalences set up in multiple places.
2236 * local-alloc.c (reg_equiv_init_insns): New variable.
2237 (no_equiv): New function.
2238 (update_equiv_regs): Handle equivalences set up in multiple places.
2239 Don't ignore an insn just because its destination is likely to be
2242 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2244 * except.c (expand_eh_return): Readd force_operand call lost in
2247 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2249 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2251 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2253 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2255 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2257 * regmove.c (regmove_optimize): Fix error in last change.
2259 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2261 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2262 offset in the .mask pseudo to compensate for frame pointer adjustments.
2263 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2264 word swap arguments moved to/from FP registers.
2265 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2267 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2269 * version.c: Bump for snapshot.
2271 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2273 * version.c: Bump for snapshot.
2275 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2277 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2278 times, then it can not be completely replaced.
2280 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2282 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2284 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2286 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2287 (to distinguish it from the macro wrapping ansidecl.h.)
2288 Include libiberty's ansidecl.h. Remove all redundant definitions.
2289 Define the PROTO() style macros in terms of the PARAMS() ones.
2292 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2293 __STDC__, when deciding whether to use ANSI variable args.
2294 (emit_library_call_value): Likewise.
2296 * cccp.c (error): Likewise.
2297 (warning): Likewise.
2298 (error_with_line): Likewise.
2299 (warning_with_line): Likewise.
2300 (pedwarn): Likewise.
2301 (pedwarn_with_line): Likewise.
2302 (pedwarn_with_file_and_line): Likewise.
2305 * cexp.y (error): Likewise.
2306 (pedwarn): Likewise.
2307 (warning): Likewise.
2309 * collect2.c (fatal_perror): Likewise.
2313 * combine.c (gen_rtx_combine): Likewise.
2315 * cpperror.c (cpp_message): Likewise.
2316 (cpp_fatal): Likewise.
2318 * cpplib.c (cpp_error): Likewise.
2319 (cpp_warning): Likewise.
2320 (cpp_pedwarn): Likewise.
2321 (cpp_error_with_line): Likewise.
2322 (cpp_warning_with_line): Likewise.
2323 (cpp_pedwarn_with_line): Likewise.
2324 (cpp_pedwarn_with_file_and_line): Likewise.
2326 * cpplib.h: Don't define PARAMS() macro.
2328 * demangle.h: Likewise.
2330 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2331 when deciding whether to use ANSI variable args.
2333 * emit-rtl.c (gen_rtx): Likewise.
2334 (gen_rtvec): Likewise.
2336 * final.c (asm_fprintf): Likewise.
2338 * fix-header.c (cpp_message): Likewise.
2340 (cpp_fatal): Likewise.
2342 * gcc.c (concat): Likewise.
2346 * genattr.c (fatal): Likewise.
2348 * genattrtab.c (attr_rtx): Likewise.
2349 (attr_printf): Likewise.
2352 * gencodes.c (fatal): Likewise.
2354 * genconfig.c (fatal): Likewise.
2356 * genemit.c (fatal): Likewise.
2358 * genextract.c (fatal): Likewise.
2360 * genflags.c (fatal): Likewise.
2362 * genopinit.c (fatal): Likewise.
2364 * genoutput.c (fatal): Likewise.
2367 * genpeep.c (fatal): Likewise.
2369 * genrecog.c (fatal): Likewise.
2371 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2372 deciding whether to declare `tree_node' and `rtx_def'.
2374 * hash.h: Don't define stuff we get from gansidecl.h.
2376 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2377 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2378 whether to use ANSI variable args.
2381 * prefix.c (concat): Likewise.
2385 * system.h: Likewise.
2387 * toplev.c (error_with_file_and_line): Likewise.
2388 (error_with_decl): Likewise.
2389 (error_for_asm): Likewise.
2392 (warning_with_file_and_line): Likewise.
2393 (warning_with_decl): Likewise.
2394 (warning_for_asm): Likewise.
2395 (warning): Likewise.
2396 (pedwarn): Likewise.
2397 (pedwarn_with_decl): Likewise.
2398 (pedwarn_with_file_and_line): Likewise.
2400 (really_sorry): Likewise.
2402 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2403 whether to declare `tree_node' and `rtx_def'.
2405 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2406 deciding whether to use ANSI variable args.
2407 (build_nt): Likewise.
2408 (build_parse_node): Likewise.
2410 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2412 * version.c: Bump for snapshot.
2414 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2416 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2418 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2420 * collect2.c (main, case 'b'): Use else if.
2422 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2424 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2425 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2426 before the config/ directory headers.
2427 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2428 gansidecl.h in the list of dependencies.
2430 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2431 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2432 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2433 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2434 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2435 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2438 * cccp.c: Don't include gansidecl.h.
2440 * collect2.c: Likewise.
2441 * config/c4x/c4x.c: Likewise.
2442 * config/v850/v850.h: Likewise.
2443 * cppalloc.c: Likewise.
2444 * cpperror.c: Likewise.
2445 * cppexp.c: Likewise.
2446 * cppfiles.c: Likewise.
2447 * cpphash.c: Likewise.
2448 * cpplib.c: Likewise.
2449 * cppmain.c: Likewise.
2450 * cppulp.c: Likewise.
2451 * demangle.h: Likewise.
2452 * doprint.c: Likewise.
2453 * dyn-string.c: Likewise.
2454 * eh-common.h: Likewise.
2455 * fix-header.c: Likewise.
2456 * frame.c: Likewise.
2459 * gen-protos.c: Likewise.
2460 * gencheck.c: Likewise.
2461 * halfpic.h: Likewise.
2463 * machmode.h: Likewise.
2464 * mbchar.c: Likewise.
2465 * prefix.c: Likewise.
2466 * protoize.c: Likewise.
2467 * recog.h: Likewise.
2469 * scan-decls.c: Likewise.
2471 * varray.h: Likewise.
2473 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2475 * i386.md (call_value_pop): If we're not popping anything,
2476 defer to call_value.
2477 (call_pop): Likewise defer to call.
2479 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2481 * function.c (purge_addressof): Clear purge_addressof_replacements
2482 only after processing the whole function.
2484 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2486 * reload1.c (reload): If we can not perform a particular elimination
2487 when we thought we could earlier, then we must always iterate through
2488 the loop at least one more time.
2490 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2492 * alpha.c (add_operand): Simplify the CONST_INT match.
2493 (sext_add_operand): Correct typo in comparison by using
2494 CONST_OK_FOR_LETTER_P.
2495 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2496 constant alternatives to be generated.
2497 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2498 small constants, since the hw instructions do.
2500 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2502 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2503 previous insn to store directly into our reload register, make sure
2504 that if the source of the previous insn is a reload register, its
2505 spill_reg_store and spill_reg_stored_to values are cleared.
2507 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2509 * rs6000.md (floatunssidf2_internal splitter): Use base register
2510 operand, not hard-coded SP.
2512 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2514 * jump.c (calculate_can_reach_end): Fix thinko.
2516 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2518 * reorg.c (fill_simple_delay_slots): Fix typo.
2520 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2522 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2524 * i386.md (extendsidi2): Use # in the output template.
2525 (extendsidi splitters): New splitters.
2527 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2529 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2531 * configure: Regenerate.
2533 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2535 * jump.c (init_label_info, delete_barrier_successors,
2536 mark_all_labels, delete_unreferenced_labels,
2537 delete_noop_moves, calculate_can_reach_end): New functions broken
2538 out of jump_optimize.
2539 (jump_optimize): Use them.
2541 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2543 * except.c (expand_fixup_region_end): Make sure outer context labels
2544 are not issued in an inner context during cleanups.
2546 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2548 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2551 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2553 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2554 to expose this midpoint to CSE.
2556 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2558 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2560 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2562 * configure.in: Bring over gcc2 change of Nov 19 1997.
2564 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2566 * toplev.c (output_lang_identify): Make definition dependent on
2567 ASM_IDENTIFY_LANGUAGE.
2569 * print-rtl.c (spaces): Make static.
2571 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2573 * extend.texi: Clarify proper uses for register clobbers in asms.
2575 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2577 * recog.h (enum op_type): Define.
2578 (constrain_operands): Adjust prototype.
2579 (recog_op_type): Declare new variable.
2580 * recog.c (recog_op_type): New variable.
2581 (insn_invalid_p): Allow modifying an asm statement after reload.
2582 (extract_insn): Set up recog_op_type.
2583 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2584 Don't compute operand types, use recog_op_type.
2585 Use the information computed by extract_insn instead of the previous
2586 method of finding it by insn code number.
2587 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2588 * reorg.c (fill_slots_from_thread): Likewise.
2589 * reload1.c (reload_as_needed): Likewise.
2590 (gen_reload): Likewise.
2591 (inc_for_reload): Likewise.
2592 (reload_cse_simplify_operands): Likewise.
2593 Use the information computed by extract_insn instead of the previous
2594 method of finding it by insn code number.
2595 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2597 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2598 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2599 Use the information computed by extract_insn instead of the previous
2600 method of finding it by insn code number.
2601 * regmove.c (find_matches): Likewise. Change meaning of the return
2602 value to be nonzero if the optimization can be performed, zero if
2603 not. All callers changed.
2604 Shorten some variable names to fix formatting problems.
2605 (regmove_optimize): Shorten some variable names to fix formatting
2607 Use the information computed by extract_insn instead of the previous
2608 method of finding it by insn code number.
2609 * regclass.c (scan_one_insn): Likewise.
2610 (record_reg_classes): Don't compute operand types, use recog_op_type.
2611 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2612 recog_constraints instead.
2614 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2616 * rtl.h (flow2_completed): Declare.
2617 * flow.c (flow2_completed): Definition.
2618 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2621 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2623 * Makefile.in (libcpp.a): Ranlib libcpp.a
2625 * cppulp.c (user_label_prefix): Initialize.
2627 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2629 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2630 at a RETURN if current_function_sp_is_unchanging is set.
2632 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2634 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2636 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2638 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2639 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2640 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2641 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2642 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2643 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2645 (LIB_SPEC): Handle -mno-cyginw option.
2646 (LINK_SPEC): Handle -mdll.
2648 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2650 * reload.c (find_reloads): Fix test for usage by other reload
2651 to handle secondary reloads properly.
2653 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2655 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2656 intermediate structure which has exactly the members provided by
2657 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2658 static intermediate structure.
2660 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2661 from the intermediate structure. Do the same analogous fix in
2662 the case where ELIMINABLE_REGS is not defined.
2664 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2666 * pa.h (SELECT_SECTION): Fix thinko.
2668 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2670 * dwarf2out.c (output_call_frame_info): Comments on last change.
2672 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2674 * arm.c (add_constant): When taking the address of an item in the
2675 pool, get the mode of the item addressed.
2677 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2678 contain a SET or a PARALLEL, don't consider it for conditional
2681 Restore ABI compatibility for NetBSD.
2682 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2684 (RETURN_IN_MEMORY): Likewise.
2686 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2688 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2689 (m32r_output_block_move): Rewrite bytes < 4 handling.
2691 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2693 * configure.in: Call AC_FUNC_VFORK.
2695 * collect2.c: Define VFORK_STRING as a printable string for
2696 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2697 defined, include vfork.h. If VMS is defined, define vfork()
2698 appropriately. Remove vfork check on USG, we're using autoconf.
2699 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2700 checking locally what string to pass.
2701 (scan_prog_file): Likewise.
2702 (scan_libraries): Likewise.
2704 * gcc.c: Remove vfork check on USG, we're using autoconf.
2705 Besides, no calls to vfork/fork occur in this file.
2707 * protoize.c: Likewise.
2709 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2711 * configure.in (DEFAULT_LINKER): renamed from LD
2712 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2713 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2714 * configure: rebuilt
2716 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2718 * BUGS: fix the regexp for `more' to find the appropriate node.
2719 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2721 * BUGS: added link to the WWW FAQ
2723 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2725 * version.c: Bump for snapshot.
2727 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2729 * From Christian Gafton:
2730 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2731 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2732 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2734 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2736 * c-common.c (c_get_alias_set): Allow all type-punning through
2737 unions. Don't get confused about the type of a bit-field, despite
2738 the antics of build_modify_expr.
2740 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2742 * fixinc.sco: Paramaterize #include_next values.
2743 * fixinc/fixinc.sco: Likewise.
2745 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2747 * toplev.c (rest_of_compilation): No longer set reload_completed.
2748 * reload1.c (reload): Set it here. Perform instruction splitting
2749 after reload has completed if we will be running the scheduler
2752 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2754 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2755 EH region if exceptions are enabled and we're performing cross
2757 (find_cross_jump): Exit loop if the insns are in different EH regions.
2759 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2761 * dwarf2out.c (output_call_frame_info): Use
2762 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2764 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2766 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2767 * c-common.c (check_format_info): Don't check for the 'x'
2768 format character twice, instead check for 'x' and 'X'
2770 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2772 * configure.in (assembler features): Also make gas is configured if
2773 we find it in the souce tree.
2775 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2777 * i386.c (i386_comp_type_attributes): Compare whether the
2778 attributes are defined, not their tree nodes.
2780 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2782 * configure.in (gxx_include_dir): bitten by autoconf quoting
2784 * configure: rebuilt
2786 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2788 * configure.in: Ignore non-absolute value in $AS.
2790 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2792 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2794 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2796 * configure.in (msdosdjgpp): Set exeext and target_alias.
2798 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2800 * flow.c (XNMALLOC): New macro.
2801 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2803 (add_edge, add_edge_to_label): New static functions.
2804 (free_bb_memory): New function.
2805 (flow_delete_insn): Delete function.
2806 (basic_block_drops_in): Delete variable.
2807 (find_basic_blocks): Allocate and initialize basic_block_head,
2808 basic_block_succ. Don't allocate basic_block_drops_in.
2809 Call free_bb_memory at the beginning.
2810 (find_basic_blocks_1): Don't do multiple passes.
2811 Delete code to compute basic_block_drops_in.
2812 After calling make_edges, mark blocks reached by current block live.
2813 Update test for unreachable live blocks.
2814 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2816 Simplify to call add_edge_to_label when a LABEL_REF is found.
2817 (make_edges): Simplify to call add_edge_to_label instead of
2818 mark_label_ref most of the time.
2819 Compute here whether control drops into the next block.
2820 (delete_unreachable_blocks): Return void. All callers changed.
2821 Delete unreachable blocks in reverse order.
2822 After deleting all unreachable blocks, renumber the remaining ones
2823 and update n_basic_blocks.
2824 (delete_block): Speed up deletion a bit.
2825 Don't set basic_block_drops_in for deleted blocks.
2826 (free_basic_block_vars): Don't free basic_block_drops_in.
2827 (life_analysis_1): Update to use new edge representation.
2828 (dump_flow_info): Delete code to print basic block info; call
2829 dump_bb_data instead.
2830 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2831 and uid_block_number.
2832 Simply copy the previously computed cfg.
2833 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2834 Print register lifetime information if LIVE_INFO is nonzero.
2835 * basic-block.h (dump_bb_data): Adjust prototype.
2836 * gcse.c (gcse_main): Update call to dump_bb_data.
2837 * rtl.h (free_bb_memory): Declare.
2838 * toplev.c (rest_of_compilation): Call free_bb_memory.
2840 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2841 (update_eliminable_offsets): Don't compute it.
2842 (set_initial_elim_offsets): Don't initialize it.
2843 Break out some code into set_initial_label_offsets so the rest of
2844 this function can be called from reload_as_needed.
2845 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2846 ELIMINABLE_REGS isn't.
2847 (set_initial_label_offsets): New function, broken out of
2848 set_initial_elim_offsets.
2849 (set_offsets_for_label): New function, broken out of set_label_offsets
2850 and reload_as_needed.
2851 (reload): Call the two new functions.
2852 (reload_as_needed): Call set_initial_elim_offsets instead of
2853 duplicating the code. Likewise for set_offsets_for_label.
2855 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2856 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2857 any hard reg, reg_reloaded_dead contains valid data.
2859 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2861 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2862 "stdcall" and "cdecl" attributes.
2864 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2866 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2867 handle deleted no-op moves of hard registers.
2868 * haifa-sched.c (update_flow_info): Likewise.
2870 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2872 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2873 of the sequences to reload the HILO register which do not actually
2876 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2878 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2880 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2882 * except.c (emit_eh_context): Make the EH context register stay alive
2883 at -O0 so stupid.c doesn't get confused.
2885 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2887 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2889 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2890 Jeffrey A Law (law@cygnus.com)
2892 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2893 (zero_extendsidi2): Use # in output template and handle completely by
2895 (zero_extend splitters): New define_splits.
2896 (ashiftrt_32): New pattern.
2898 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2900 * tree.c (append_random_chars): New fn.
2901 (get_file_function_name_long): Use it.
2903 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2905 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2906 (LIBCPP_OBJS): New. Add cppulp.o.
2907 (cppmain, fix-header): Depend on and use libcpp.a.
2908 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2909 of the individual object files.
2910 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2913 * cccp.c (user_label_prefix): New.
2914 (main): Set it off -f*leading-underscore.
2915 (special_symbol): Use it.
2916 * cpplib.c (special_symbol): Likewise.
2917 (cpp_handle_option): Handle -f*leading-underscore.
2918 * cppulp.c: New file.
2920 * output.h (user_label_prefix): Declare it.
2921 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2922 * toplev.c (f_options, main): Handle -f*leading-underscore.
2924 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2925 referencing USER_LABEL_PREFIX directly.
2926 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2927 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2928 * final.c (asm_fprintf): Use user_label_prefix instead.
2929 * arm/thumb.c (thumb_print_operand): Likewise.
2931 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2932 cpp wherever appropriate.
2934 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2936 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2937 specific compiler switches.
2939 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2941 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2944 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2946 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2947 structure which has exactly the members provided by EXTRA_SPECS.
2948 Xmalloc() the real `extra_specs', and initialize it from this
2949 intermediate structure.
2951 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2953 * mips.h (EXTRA_SPECS): Likewise.
2955 * sparc.h (EXTRA_SPECS): Likewise.
2957 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2959 * function.c (purge_addressof_1): Instead of aborting when a
2960 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2961 work just put the ADDRESSOF on stack. Otherwise remember all such
2962 successfull replacements, so that exactly the same replacements
2963 can be made on the REG_NOTEs. Remove the special case for CALL
2965 (purge_addressof_replacements): New variable.
2966 (purge_addressof): Clear it at end.
2968 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2970 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2971 (lang_init): Call check_newline always.
2972 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2973 cpp_start_read, set yy_cur and yy_lim to read from
2974 parse_in.token_buffer, so that we'll see the first #line
2976 * cpplib.c (cpp_start_read): finclude the main input file
2977 before processing -include/-imacros. Process -imacros and
2978 -include separately, and handle -include by stacking a
2979 buffer for the file in question as if it'd been #included.
2980 * toplev.c (documented_lang_options) Recognize -H when
2983 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2985 * cpplib.c: Merge do_once into do_pragma. Break file handling
2986 code out of do_include.
2987 Move append_include_chain, deps_output,
2988 file_cleanup, redundant_include_p, import_hash,
2989 lookup_import, add_import, read_filename_string, read_name_map,
2990 open_include_file, finclude, safe_read to cppfiles.c.
2991 Move prototypes for deps_output, append_include_chain,
2992 finclude to cpplib.h. Move definition of struct
2993 file_name_list there also.
2995 * cppfiles.c: New file. Contains all the above functions
2996 broken out of cpplib.c; also hack_vms_include_specification
2997 from cccp.c and find_include_file, a new function broken out of
3000 * Makefile.in (cppmain): Depend on cppfiles.o.
3001 (fix-header): Likewise.
3002 (cppfiles.o): New target.
3003 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3004 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3006 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3008 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3009 if pending_types is non-zero.
3010 (dwarfout_finish): Verify pending_types is zero before finishing.
3012 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3014 * expr.c (convert_move): Use shifts to perform the move if a
3015 suitable extend pattern cannot be found. Code written by
3016 Richard Henderson <rth@cygnus.com>.
3018 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3020 * regclass.c (renumber, regno_allocated): New static variables, moved
3021 out of allocate_reg_info.
3022 (allocate_reg_info): Move these two variables outside the function.
3023 Move code to free memory into new function free_reg_info.
3024 (free_reg_info): New function, broken out of allocate_reg_info.
3025 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3026 * rtl.h (allocate_reg_info): Don't declare.
3027 (free_reg_info): Declare.
3029 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3031 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3033 * toplev.c (compile_file): Temporarily revert last change.
3035 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3037 * c-typeck.c (convert_for_assignment): Parenthesize.
3039 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3041 * reload1.c (delete_output_reload): Avoid ambigous else.
3043 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3045 * toplev.c (compile_file): Call allocate_reg_info to free register
3047 * rtl.h (allocate_reg_info): Declare.
3049 * PROJECTS: Remove entry for local spilling.
3051 * final.c (cleanup_subreg_operands): New function.
3052 (final_scan_insn): Use it.
3053 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3055 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3056 operands when reload has finished.
3057 * reload.h (cleanup_subreg_operands): Declare..
3058 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3059 reload. Handled in reload itself.
3061 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3063 * reload1.c (verify_initial_offsets): New function.
3064 (reload): Call it after reload_as_needed. Also verify that the frame
3065 size stays constant during reload_as_needed.
3066 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3068 * reload.h (struct insn_chain): Add need_operand_change element.
3069 * reload1.c (new_insn_chain): Clear it.
3070 (calculate_needs_all_insns): Set it; don't overload need_reload.
3071 (reload_as_needed): Use it.
3073 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3074 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3075 and reload_address_index_reg_class.
3076 (find_reloads_address_1): Likewise.
3077 * reload.h (reload_address_base_reg_class,
3078 reload_address_index_reg_class): Don't declare.
3079 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3080 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3081 (used_spill_regs): Now static.
3082 (reload_address_base_reg_class, reload_address_index_reg_class,
3083 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3084 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3085 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3088 (init_reload): Delete code to compute base/index reg classes.
3089 (reload): Delete variable J.
3090 Delete code to manage basic_block_needs.
3091 Don't compute regs_explicitly_used.
3092 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3093 pseudo_previous_regs.
3094 Initialize bad_spill_regs_global.
3095 Don't call order_regs_for_reload here.
3096 Don't initialize spill_reg_order and n_spills.
3097 Don't forbid explicitly used regs to be used for spill regs.
3098 Change main loop to infinite loop, with explicit break statements.
3099 Make SOMETHING_CHANGED variable local to that loop.
3100 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3101 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3102 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3104 Don't call dump_needs.
3105 Delete code to reset potential_reload_regs.
3106 Delete code to terminate loop conditional on the global needs variables
3107 showing no further needs.
3108 (calculate_needs_all_insns): Return void. All callers changed.
3109 Initialize somehing_needs_elimination here, not in reload.
3110 Delete avoid_return_reg kludge.
3111 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3112 All callers changed.
3113 Initialize the group_mode and group_size elements of the arg CHAIN.
3114 Delete code to manage basic_block_needs.
3115 Operate on elements of CHAIN instead of global variables.
3116 Delete avoid_return_reg kludge.
3117 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3118 All callers changed.
3119 Operate on elements of CHAIN instead of global variables.
3120 Delete special SMALL_REGISTER_CLASSES code.
3121 Delete spill_failure code; now in new_spill_reg.
3122 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3123 All callers changed.
3124 Operate on elements of CHAIN instead of global variables.
3125 (maybe_mark_pseudo_spilled): New static function.
3126 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3127 All callers changed.
3128 Operate on elements of CHAIN instead of global variables.
3129 Call order_regs_for_reload here, not in reload.
3130 Initialize spill_reg_order and n_spills.
3131 Simplify test whether an asm insn is involved.
3132 Delete spill_failure code; now in new_spill_reg.
3133 Call maybe_mark_pseudo_spilled for everything marked as live in
3134 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3136 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3137 compiler from optimizing this function (now unused) away.
3138 Operate on elements of CHAIN instead of global variables.
3139 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3141 Operate on elements of CHAIN instead of global variables.
3142 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3143 take CHAIN arg. All callers changed.
3144 Operate on elements of CHAIN instead of global variables.
3145 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3146 CHAIN, NONGROUP args. Return void. All callers changed.
3147 Verify caller isn't trying to spill a pseudo.
3148 Simplify test for illegal reg, just use bad_spill_regs.
3149 Generate better error messages.
3150 Operate on elements of CHAIN instead of global variables.
3151 Mark spilled register in CHAIN's used_spill_regs element.
3152 Don't call spill_hard_reg.
3153 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3154 Mark spilled hard regs in bad_spill_regs_global.
3155 Mark affected pseudos in spilled_pseudos, but don't spill them.
3156 (ior_hard_reg_set): New static function.
3157 (finish_spills): Return int. All callers changed.
3158 Compute spill_reg_order, n_spills and spill_regs here. Also update
3159 regs_ever_live for regs used as spills.
3160 For every pseudo in spilled_pseudos, spill it and mark the previous
3161 hard reg it had in pseudo_previous_regs. Compute which hard regs
3162 arseudo): New static function.
3163 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3164 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3165 hard registers explicitly used across the current insn into the set.
3166 Compute hard_reg_n_uses taking only pseudos live across this insn
3168 Tweak sorting of potential_reload_regs.
3169 (compare_spill_regs): Delete function.
3170 (reload_as_needed): Don't sort the spill_regs array, it's computed
3171 in proper order in finish_spills.
3172 Delete avoid_return_reg kludge.
3173 Delete code to manage basic_block_needs.
3174 (allocate_reload_reg): Minor speed/readability tweaks.
3175 Operate on elements of CHAIN instead of global variables.
3176 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3177 Delete avoid_return_reg kludge.
3178 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3179 Delete unused label FAIL.
3180 (reload_combine): Replce reload_address_index_reg_class with
3182 Don't use used_spill_regs to determine information about lifetime of
3185 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3187 * toplev.c (display_help): Ignore empty target specific
3188 options, and if -W is also specified on the command line then
3189 display undocumented options.
3191 * config/arm/arm.c: Updated with changes in devo sources.
3192 * config/arm/arm.h: Updated with changes in devo sources.
3193 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3194 * config/arm/lib1thumb.asm: Add ELF support.
3196 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3198 * collect2.c (aix64_flag): New variable.
3199 (main, case 'b'): Parse it.
3200 (GCC_CHECK_HDR): object magic number must match mode.
3201 (scan_prog_file): Only check for shared object if valid header.
3202 Print debugging if header/mode mismatch.
3204 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3206 Added support for arm-elf-linux configuration, submitted by Philip
3207 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3208 code developed by Catherine Moore <clm@cygnus.com>. The following
3211 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3214 * configure: Regenerated.
3216 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3217 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3218 definitions conditional on their not having been already defined.
3220 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3221 and .type directives, and add "(PLT)" qualification to function
3224 * config/arm/linux.h: Deleted. This file is now superceeded by
3225 either linux-elf.h or linux-aout.h.
3227 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3228 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3230 Move definitions from old linux.h file here.
3232 * config/arm/elf.h: New file. Generic ARM/ELF support.
3234 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3236 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3238 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3239 using the 26bit APCS.
3241 * config/arm/unknown-elf.h: New file. Support for OS'es other
3242 than Linux with ELF.
3244 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3247 * config/arm/coff.h: Include aout.h for basic assembler macros.
3248 Add support for -mstructure_size_boundary=<n> command line option.
3250 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3251 command line option. Make macro definitions conditional on their
3252 not having been already defined.
3254 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3255 command line option.
3258 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3260 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3261 has been changed to not include a newline. Use this macro instead.
3262 (output_enumeral_list, const_value_attribute, name_attribute,
3263 comp_dir_attribute, prototyped_attribute, producer_attribute,
3264 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3265 dwarfout_file_scope_decl, generate_new_sfname_entry,
3266 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3267 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3269 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3271 * combine.c (subst): Process the inputs to a parallel asm_operands
3274 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3276 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3278 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3280 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3282 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3284 * version.c: Bump for snapshot.
3286 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3288 * stmt.c (expand_fixup): Set fixup->before_jump to a
3289 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3291 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3293 * Makefile.in (recog.o): Depend on toplev.h.
3294 (insn-emit.o): Depend on recog.h.
3295 (insn-peep.o): Depend on recog.h and insn-config.h.
3297 * combine.c (simplify_set): Remove unused variable `scratches'.
3299 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3300 and `idx' in macro conditional controlling their use.
3302 * genemit.c (main): Make the generated output file include
3303 recog.h. Don't have it declare `insn_operand_constraint', since
3304 we get it from recog.h.
3306 * genpeep.c (main): Make the generated output file include
3307 insn-config.h and recog.h.
3309 * recog.c: Include toplev.h.
3310 (extract_insn): Remove unused variable `p'.
3312 * regclass.c (fix_register): Add missing braces around initializer
3314 (allocate_reg_info): Move variable `i' into the scope where it is
3315 used. Change its type to `size_t'.
3317 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3319 * reload.c (push_reload): When merging reloads, make sure
3320 that reload_in_reg and reload_in are from the same reload in
3323 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3325 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3326 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3328 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3330 * loop.c (loop_has_tablejump): New variable.
3331 (prescan_loop): Scan for it.
3332 (insert_bct): Replace explicit scan with use of it.
3333 * regclass.c (regclass): Restore loop variable j.
3334 (record_reg_classes): Deterine op_types modifiers and initialize
3335 classes[i] before matching constraints. Handle matching
3338 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3340 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3343 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3345 * mips.h (EXTRA_SPECS): Add missing initializers.
3347 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3349 * sparc.h (EXTRA_SPECS): Add missing initializers.
3350 (sparc_defer_case_vector): Provide a prototype.
3352 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3353 comparing it to the result of a pointer subtraction.
3355 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3357 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3358 the argument to (unsigned char).
3360 * alpha.h (EXTRA_SPECS): Add missing initializers.
3361 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3364 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3366 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3367 (propagate_block): Delete dead code after reload.
3369 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3370 back Oct 15, 1998 change.
3371 * haifa-sched.c (update_flow_info): Likewise.
3372 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3374 * mn10200.md (truncated shift): Accept constant inputs too.
3376 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3378 * machmode.h (mode_mask_array): No longer const.
3379 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3381 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3383 * frame.c: Somewhat explain `FDE'.
3384 Suggested by Brendan Kehoe
3386 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3388 * expr.c (pending_chain): Move up.
3389 (save_expr_status): Do save pending_chain.
3390 (restore_expr_status): And restore it.
3391 * function.h (struct function): Add pending_chain.
3393 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3395 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3396 did not match the code.
3398 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3400 * regclass.c (regclass): Break out some code into new function
3401 scan_one_insn, and into regclass_init.
3402 (init_cost): New static variable, moved out of regclass.
3403 (regclass_init): Initialize it here, not in .
3404 (scan_one_insn): New static function, broken out of regclass.
3405 * recog.c (apply_change_group): Break out some code into new
3406 function insn_invalid_p.
3407 (insn_invalid_p): New static fn, broken out of apply_change_group.
3409 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3411 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3412 reg_reloaded_contents matches incremented pseudo.
3414 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3416 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3418 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3419 addressing modes with side effects. These are currently
3420 placeholders for the C4x target.
3422 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3424 * loop.c (express_from): Make sure that when generating a PLUS of
3425 a PLUS, any constant expression appears on the outermost PLUS.
3427 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3429 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3430 works if "$(srcdir)" != ".".
3432 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3434 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3435 existing SUBREG if we can, otherwise abort.
3437 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3439 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3440 `restrict' is applied to a non-pointer variable.
3442 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3444 * invoke.texi: Document -flang-isoc9x.
3446 * Makefile.in (OBJS): Add splay-tree.o.
3447 (c-common.o): Depend on rtl.h.
3448 (splay-tree.o): List dependencies and provide build rule.
3450 * rtl.h (record_alias_subset): New function.
3451 * alias.c: Include splay-tree.h.
3452 (alias_set_entry): New type.
3453 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3454 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3455 (mems_in_disjoin_alias_sets_p): New function.
3456 (alias_set_compare): Likewise.
3457 (insert_subset_children): Likewise.
3458 (get_alias_set_entry): Likewise.
3460 * tree.h (TYPE_RESTRICT): New macro.
3461 (TYPE_UNQUALIFIED): New manifest constant.
3462 (TYPE_QUAL_CONST): Likewise
3463 (TYPE_QUAL_VOLATILE): Likewise.
3464 (TYPE_QUAL_RESTRICT): Likewise.
3465 (tree_type): Add restrict_flag. Reduce count of free bits.
3466 (DECL_POINTER_ALIAS_SET): New macro.
3467 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3468 (tree_decl): Add pointer_alias_set.
3469 (build_qualified_type): New function.
3470 (build_type_variant): Define in terms of build_qualified_type.
3471 * tree.c (set_type_quals): New function.
3472 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3473 (build_type_attribute_variant): Use build_qualified_type and
3475 (build_type_variant): Rename, and modify, to become...
3476 (build_qualified_type): New function.
3477 (build_complex_type): Use set_type_quals.
3479 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3480 (C_TYPE_FUNCTION_P): Likewise.
3481 (C_TYPE_INCOMPLETE_P): Likewise.
3482 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3483 (c_apply_type_quals_to_decl): New function.
3484 (c_build_qualified_type): New function.
3485 (c_build_type_variant): Define in terms of c_build_qualified_type.
3486 (flag_isoc9x): Declare.
3487 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3488 (common_type): Change to use TYPE_QUALS.
3489 (comptypes): Likewise.
3490 (convert_for_assignment): Likewise.
3491 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3492 * c-decl.c (flag_isoc9x): Define.
3493 (c_decode_option): Handle -flang-isoc9x.
3494 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3495 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3496 * c-lex.c (init_lex): Deal with restrict.
3497 (init_lex): Don't treat restrict as a reserved word in
3498 -traditional mode, or without -flang-isoc9x.
3499 * c-lex.h (rid): Add RID_RESTRICT.
3500 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3501 equivalent to RID_RESTRICT.
3502 * c-parse.in (TYPE_QUAL): Update comment.
3503 * c-common.c: Include rtl.h.
3504 (c_find_base_decl): New function.
3505 (c_build_type_variant): Rename, and modify, to become ...
3506 (c_build_qualified_type): New function.
3507 (c_apply_type_quals_to_decl): Likewise.
3508 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3509 a particular alias set for the reference.
3510 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3512 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3514 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3515 command line switches.
3517 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3519 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3522 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3524 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3526 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3528 * regclass.c (fix_register): Add error message.
3529 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3532 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3534 * c-decl.c (warn_missing_noreturn): New global variable.
3535 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3536 (finish_function): Implement missing noreturn warning.
3538 * c-tree.h (warn_missing_noreturn): Declare extern.
3540 * invoke.texi: Document new flags.
3542 * toplev.c (documented_lang_options): Add description.
3544 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3546 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3547 loop optimization stable for the C4x.
3548 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3549 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3550 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3552 (c4x_address_conflict): Be more paranoid when packing a volatile
3553 memref in a parallel load/store.
3555 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3557 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3558 repeat_block_filler): Deleted.
3559 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3560 Condition code not set if destination register from 'c' class.
3561 (*subbqi3_carry_clobber): Fix typo.
3563 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3565 * reorg.c (steal_delay_list_from_target) Check for insns that
3566 modify the condition codes and effect the direction of the jump
3569 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3571 * function.c (purge_addressof_1): Replace call to
3572 emit_insns_before() with emit_insn_before().
3574 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3576 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3578 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3580 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3582 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3584 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3585 clobbered across calls.
3587 * loop.c (scan_loop): Be more selective about what invariants are
3588 moved out of a loop.
3590 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3592 * version.c: Bump for snapshot.
3594 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3596 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3597 static eh_context structure.
3599 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3601 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3603 (try_combine): Don't update max_scratch.
3604 * flow.c (max_scratch, num_scratch): Delete variables.
3605 (life_analysis_1): Don't initialize max_scratch.
3606 (propagate_block): Don't update max_scratch.
3607 (mark_set_1): Don't increment num_scratch.
3608 * regs.h (max_scratch): Delete declaration.
3610 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3612 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3613 is nonzero. This is temporary!
3615 * sched.c (update_flow_info): Handle death notes made invalid by
3616 instruction splitting. Partially reverts Oct 15, 1998 patch.
3617 * haifa-sched.c (update_flow_info): Likewise.
3619 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3621 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3622 if it has a nonzero DECL_INITIAL.
3624 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3626 * Makefile.in (flow.o): Depend on recog.h.
3628 * cpplib.h (directive_table): Add missing initializiers.
3629 (finclude): Change type of variable `bsize' to size_t.
3631 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3633 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3635 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3636 `int' when comparing against one.
3637 (cpp_file_line_for_message): Mark parameter `pfile' with
3639 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3641 * flow.c: Include recog.h.
3642 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3644 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3645 `f' with ATTRIBUTE_UNUSED.
3646 (reposition_prologue_and_epilogue_notes): Likewise.
3648 * genopinit.c (gen_insn): Cast argument of ctype functions to
3651 * haifa-sched.c: Include recog.h.
3652 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3653 comparing against one.
3655 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3657 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3659 (parse_ent): Likewise.
3660 (parse_input): Likewise.
3662 * optabs.c (init_libfuncs): Likewise.
3664 * protoize.c (find_rightmost_formals_list): Likewise.
3666 * recog.h (const_double_operand): Fix typo in prototype.
3668 * tlink.c (scan_linker_output): Cast the argument of ctype
3669 function to `unsigned char'.
3671 * toplev.c (check_lang_option): Cast the result of `strlen' to
3672 `int' when comparing against one.
3674 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3676 * gcse.c (dump_cuid_table): Correct typo.
3678 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3680 * toplev.c (display_help): Prepend '-m' to target specific
3682 (check_lang_option): Ignore text after end of first word of a
3683 language specific option.
3685 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3687 * reload1.c (reg_used_by_pseudo): New static variable.
3688 (choose_reload_regs): Initialize it.
3689 Use it instead of testing spill_reg_order to determine whether a
3690 pseudo is live in a hard register across the current insn.
3691 Fix a typo in a reference to reload_reg_rtx.
3693 * flow.c (propagate_block): Replace code that computes and uses
3694 regs_sometimes_live with simpler code that just walks the set of
3695 currently live registers.
3697 * Makefile.in (insn-extract.o): Fix dependencies.
3698 * genextract.c (main): Generate includes for insn-config.h and
3700 Delete generation of declarations which are now in recog.h.
3701 * genrecog.c (main): Delete generation of definitions which are
3703 * local-alloc.c (block_alloc): Use extract_insn and the variables
3704 it sets up instead of looking up values by insn_code.
3705 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3706 recog_dup_num): Define here instead of generating the definition in
3708 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3709 recog_operand_mode, recog_constraints, recog_operand_address_p):
3711 (extract_insn): New function.
3712 * recog.h (extract_insn): Declare function.
3713 (which_alternative, recog_n_operands, recog_n_dups,
3714 recog_n_alternatives, recog_operand_mode, recog_constraints,
3715 recog_operand_address_p): Declare variables.
3716 * regclass.c (n_occurrences): New static function.
3717 * reload.c (n_occurrences): Delete function.
3718 (find_reloads): Use extract_insn.
3719 * reload.h (n_occurrences): Delete declaration.
3721 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3723 * reload1.c (reload_as_needed): Fix test for when to call
3724 update_eliminable_offsets.
3726 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3728 Fix consistency problems with reg_equiv_{mem,address};
3729 Improve reload inheritance;
3731 * reload.c (reload_out_reg): New variable.
3732 (loc_mentioned_in_p, remove_address_replacements): New functions.
3733 (remove_replacements): Deleted.
3734 (push_reload): Set reload_out_reg[i].
3735 When merging, also set reload_{in,out}_reg[i], and remove
3736 duplicate address reloads.
3737 (combine_reloads): Copy reload_out_reg[i].
3738 (find_reloads): Do make_memloc substitution also when
3739 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3741 Include *recog_operand_loc in commutativity operand changes.
3742 Generate optional output reloads.
3743 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3744 processing operands. Call make_memloc in reg_equiv_address code.
3745 Set *recog_operand_loc only after processing operands, and only
3746 if replace is true. Return a value.
3747 When changing address reload types for operands that didn't get
3748 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3749 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3750 Don't emit USEs for pseudo SUBREGs when not replacing.
3751 (find_reloads_address): Do make_memloc substitution also when
3752 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3754 (find_reloads_toplev): Likewise.
3755 Call make_memloc in reg_equiv_address code.
3756 (debug_reload_to_stream): Add code to output reload_out_reg.
3757 (make_memloc): Delete local variable i, ifdefed out code, and
3758 references to memlocs and n_memlocs.
3759 (memlocs, n_memlocs): Delete.
3760 (push_secondary_reload): Clear reload_out_reg.
3761 (find_reloads_address_1): Provide memrefloc argument to all calls
3762 to find_reloads_address.
3763 In AUTO_INC code, handle non-directly addressable equivalences properly.
3764 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3765 (find_reloads): Add return type.
3766 (remove_address_replacements, deallocate_reload_reg): Declare.
3767 * reload1.c (num_not_at_initial_offset): No longer static.
3768 (delete_address_reloads, delete_address_reloads_1): Likewise.
3769 (deallocate_reload_reg): New function.
3770 (spill_reg_stored_to): New array.
3771 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3772 (eliminate_regs_in_insn): Move assignments of previous_offset and
3773 max_offset fields, and recalculation of num_not_at_initial_offset
3774 into new static function:
3775 (update_eliminable_offsets) .
3776 (reload_as_needed): Call update_eliminable_offsetss after calling
3778 Call forget_old_reloads_1 with contents of reloaded auto_inc
3779 expressions if the actual addressing can't be changed to match the
3781 (choose_reload_regs): For inheritance, replace
3782 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3783 remove stand-alone reload_reg_used_at_all test.
3784 Use reload_out_reg to determine which reload regs have output reloads.
3785 Treat reload_override_in more similar to inherited reloads.
3786 Handle (subreg (reg... for inheritance.
3787 For flag_expensive_optimizations, add an extra pass to remove
3788 unnecessary reloads from known working inheritance.
3789 Delete obsolete code for pseudos replaced with MEMs.
3790 Handle inheritance from auto_inc expressions.
3791 (emit_reload_insns): If reload_in is a MEM, set OLD to
3793 Don't reload directly from oldequiv; if it's a pseudo with a
3794 stack slot, use reload_in[j].
3795 Check that reload_in_reg[j] is a MEM before replacing reload_in
3796 from reg_reloaded_contents.
3797 Include non-spill registers in reload inheritance processing.
3798 Also try to use reload_out_reg to set spill_reg_store /
3799 reg_last_reload_reg.
3800 In code to set new_spill_reg_store, use single_set to find out if
3801 there is a single set.
3802 Add code that allows to delete optional output reloads.
3803 Add code to allow deletion of output reloads that use no spill reg.
3804 At the end, set reload_override_in to oldequiv.
3805 Also call delete_output_reload if reload_out_reg is equal to old
3807 Add code to call delete_output_reload for stores with no matching load.
3808 Set / use spill_reg_stored_to.
3809 Handle case where secondary output reload uses a temporary, but
3810 actual store isn't found.
3811 When looking for a store of a value not loaded in order to call
3812 delete_output_reload, count_occurences should return 0 for no
3813 loads; but discount inherited input reloadill_reg_stored_to.
3814 Do checks for extra uses of REG. Changed all
3816 Use delete_address_reloads.
3817 (reload): Take return value of find_reloads into account.
3818 If a no-op set needs more than one reload, delete it.
3819 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3820 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3821 for the same operand.
3822 (clear_reload_reg_in_use): Check for other reloads that keep a
3824 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3825 RELOAD_FOR_OPADDR_ADDR.
3826 Take into account when an address address reload is only needed
3827 for the address reload we are considering.
3828 (count_occurrences): Use rtx_equal_p for MEMs.
3829 (inc_for_reload): Return instruction that stores into RELOADREG.
3830 New argument two, IN, and rtx. Changed all callers.
3831 (calculate_needs_all_insns, reload_as_needed):
3832 Don't clear after_call for a CLOBBER.
3833 Keep track of how many hard registers need to be copied from
3834 after_call, and don't clear after_call before we have seen
3835 that much copies, or we see a different instruction.
3837 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3839 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3840 after reload has completed.
3842 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3844 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3845 a macro name and the next token with a single blank if that whitespace
3846 is in a macro buffer and the next token is not '('.
3848 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3850 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3852 (skip_if_group): Ditto.
3853 (skip_to_end_of_comment): Ditto.
3855 (discard_comments): Ditto.
3856 (change_newlines): Ditto.
3858 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3860 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3862 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3864 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3865 (TARGET_OPTIONS): Add --help documentation.
3867 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3869 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3871 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3873 * fixinc/* Moved in from ../contrib directory in preparation
3874 for integrating it into the normal build process. In particular,
3875 fixinc/Makefile.in must be config-ed into the build directory
3876 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3877 ./configure.in will be "in the mail" momentarily.
3879 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3881 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3882 accidently walk into the free list. Comment how that can happen.
3883 (invalidate): Fix indentation.
3885 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3886 Jeffrey A Law (law@cygnus.com)
3888 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3889 reload. Never perform rescans of the insn chain after reload.
3890 (propagate_block): Do not delete insn or create new autoinc addressing
3893 * jump.c (jump_optimize): Unconditionally use the code that was
3894 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3895 * reload1.c (reload): When reloading is finished, delete all
3896 REG_DEAD and REG_UNUSED notes.
3897 (emit_reload_insns): Delete all code that was conditional on
3898 PRESERVE_DEATH_INFO_REGNO_P.
3899 (no_longer_dead_regs): Delete variable.
3900 (reload_cse_delete_death_notes): Delete function.
3901 (reload_cse_no_longer_dead): Delete function.
3902 (reload_cse_regs_1): Delete all code to handle deletion of death
3904 (reload_cse_noop_set_p): Likewise.
3905 (reload_cse_simplify_set): Likewise.
3906 (reload_cse_simplify_operands): Likewise.
3907 (reload_cse_move2add): Likewise.
3908 * reorg.c (used_spill_regs): Delete declaration.
3909 (max_label_num_after_reload): Delete declaration.
3910 (find_dead_or_set_registers): Don't assume that spill regs are
3911 dead at a CODE_LABEL.
3912 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3914 * sched.c (sched_analyze_insn): Likewise.
3915 (update_flow_info): Likewise.
3916 * haifa-sched.c (sched_analyze_insn): Likewise.
3917 (update_flow_info): Likewise.
3918 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3919 * toplev.c (max_label_num_after_reload): Delete variable.
3920 (rest_of_compilation): Don't set max_label_num_after_reload.
3921 Call life_analysis after reload_cse_regs if optimizing.
3922 * config/gmicro/gmicro.h: Delete comment referring to
3923 PRESERVE_DEATH_INFO_REGNO_P.
3924 * config/i386/i386.h: Likewise.
3925 * config/m88k/m88k.h: Likewise.
3926 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3927 * config/sh/sh.h: Likewise.
3929 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3931 * loop.c (strength_reduce): Restore marking bct_p as
3933 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3934 HAVE_decrement_and_branch_on_count.
3935 (small_data_operand): Remove TARGET_ELF condition for marking
3936 parameters ATTRIBUTE_UNUSED.
3938 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3940 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3941 (SELECT_SECTION): Resync with svr4.h.
3943 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3945 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3948 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3950 * c-pragma.c (handle_pragma_token): Test for null tree before
3951 dereferencing TREE_CODE.
3953 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3955 * config/c4x/c4x.c: Convert to use GEN_INT.
3956 (c4x_parallel_process): Rework to handle new repeat loop structure.
3958 * config/c4x/c4x.md: Convert to use GEN_INT.
3959 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3960 (decrement_and_branch_on_count): Likewise.
3962 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3963 loop.c has the desired functionality.
3964 (rc_reg_operand): New prototype.
3966 * config/c4x/t-c4x: Can now build all front ends.
3968 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3970 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3972 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3974 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3975 * config/t-rtems: Do not install assert.h -- use newlib's.
3977 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3979 * combine.c (combine_instructions): When finished, call init_recog.
3980 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3982 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3984 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3986 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3988 * cppalloc.c (memory_full): Mark function prototype with
3991 * demangle.h (collect_exit): Likewise.
3993 * fix-header.c (v_fatal, fatal): Likewise.
3995 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3998 * gcov.c (print_usage): Likewise.
4000 * genattr.c (fatal, fancy_abort): Likewise.
4002 * genattrtab.c (fatal, fancy_abort): Likewise.
4004 * gencodes.c (fatal, fancy_abort): Likewise.
4006 * genconfig.c (fatal, fancy_abort): Likewise.
4008 * genemit.c (fatal, fancy_abort): Likewise.
4010 * genextract.c (fatal, fancy_abort): Likewise.
4012 * genflags.c (fatal, fancy_abort): Likewise.
4014 * genopinit.c (fatal, fancy_abort): Likewise.
4016 * genoutput.c (fatal, fancy_abort): Likewise.
4018 * genpeep.c (fatal, fancy_abort): Likewise.
4020 * genrecog.c (fatal, fancy_abort): Likewise.
4022 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4023 __sjpopnthrow, __throw): Likewise.
4025 * objc/objc-act.c (objc_fatal): Likewise.
4027 * protoize.c (usage, aux_info_corrupted,
4028 declare_source_confusing): Likewise.
4030 * rtl.c (dump_and_abort): Likewise.
4032 * rtl.h (sets_cc0_p): Likewise.
4034 * toplev.c (float_signal, pipe_closed): Likewise.
4036 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4038 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4039 when generating the decision tree for the general case.
4041 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4042 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4044 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4046 * Makefile.in (sched.o): Depend on recog.h.
4048 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4049 (unsigned) when comparing against one.
4050 (find_base_value): Likewise.
4051 (record_base_value): Cast variable `regno' to (unsigned) when
4052 comparing against one. Cast the result of REGNO() macro to
4053 (unsigned) when comparing against one.
4054 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4056 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4057 variable where an unsigned index is needed.
4059 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4060 before comparing against one.
4062 * collect2.c: Add prototypes for functions `error', `fatal' and
4063 `fatal_perror'. Make these functions take variable arguments
4064 instead of faking it with a fixed number of args.
4065 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4068 * combine.c (can_combine_p): Mark parameter `pred' with
4070 (find_split_point): Cast variable `src' to (unsigned
4071 HOST_WIDE_INT) when comparing against one.
4072 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4073 (simplify_logical): Likewise.
4074 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4075 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4076 HOST_WIDE_INT) in shift.
4077 (simplify_and_const_int): Cast result of INTVAL() macro to
4078 `unsigned HOST_WIDE_INT' when comparing against one.
4079 (merge_outer_ops): Cast variable const0 to `unsigned
4080 HOST_WIDE_INT' when comparing against the result of
4081 GET_MODE_MASK() macro.
4082 (simplify_comparison): Likewise for variable `c0'. Cast variable
4083 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4084 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4085 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4086 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4087 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4088 comparing against one.
4089 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4091 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4092 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4093 (output_block_move): Cast `sizeof' expression to (int) when
4094 comparing against one.
4095 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4097 (save_restore_insns): Cast `base_offset' to `long' to match format
4098 specifier in fprintf.
4100 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4101 to `enum machine_mode'.
4103 * flow.c (life_analysis_1): Remove unused variable `insn'.
4105 * gcc.c (translate_options): Move variables `j' and `k' into the
4106 scope in which they are used. Change their types to `size_t'.
4107 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4108 (read_specs): Likewise.
4109 (process_command): Cast `sizeof' to (int) when comparing against one.
4110 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4111 (handle_braces): Cast both sides of `==' expression to `long' to
4112 ensure sign matching.
4113 (main): Cast variable `i' to `int' when comparing against one.
4115 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4116 int to size_t. Cast variable `i' to size_t when comparing against
4119 * genattrtab.c (convert_set_attr_alternative): Remove unused
4120 parameter `insn_code'. All callers changed.
4121 (convert_set_attr): Likewise.
4123 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4124 size_t when comparing against one. Likewise for variable `len'.
4126 * global.c (global_alloc): Cast variable `max_regno' to size_t
4127 when comparing against one. Likewise for variable `max_allocno'.
4129 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4131 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4132 `set' with ATTRIBUTE_UNUSED.
4133 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4136 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4137 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4138 (get_condition): Cast variable `const_val' to `unsigned
4139 HOST_WIDE_INT' when comparing against one. Cast unsigned
4140 expression to HOST_WIDE_INT when comparing against one.
4141 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4142 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4143 `unsigned' when comparing against one.
4145 * protoize.c (is_id_char): Change type of parameter `ch' to
4147 (munge_compile_params): Cast argument of ctype macro to (const
4149 (process_aux_info_file): Cast variable `aux_info_size' to int when
4150 comparing against one.
4151 (forward_to_next_token_char): Cast argument of ctype macro to
4152 `const unsigned char'.
4153 (edit_formals_lists): Likewise.
4154 (find_rightmost_formals_list): Likewise.
4155 (add_local_decl): Likewise.
4156 (add_global_decls): Likewise.
4157 (edit_fn_definition): Likewise.
4158 (do_cleaning): Likewise.
4159 (scan_for_missed_items): Likewise.
4160 (edit_file): Cast variable `orig_size' to (int) when comparing
4162 (main): Cast argument of ctype macro to `const unsigned char'.
4164 * recog.c (const_int_operand): Mark parameter `mode' with
4167 * regclass.c (record_reg_classes): Change type of variable `c' to
4168 `unsigned char'. Cast `char' array index to `unsigned char'.
4170 * reload.c (push_secondary_reload): Cast argument to
4171 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4173 * reload1.c (calculate_needs): Cast `char' array index to
4175 (set_label_offsets): Change type of variable `i' to unsigned int.
4176 Cast result of XVECLEN() macro to unsigned when comparing against
4178 (mark_not_eliminable): Change type of variable `i' to unsigned.
4179 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4180 when comparing against one.
4181 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4182 comparing against one.
4183 (choose_reload_regs): Hide unused label `fail'.
4184 (reload_cse_simplify_operands): Cast `char' array index to
4186 (reload_combine_note_store): Mark parameter `set' with
4187 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4189 (reload_cse_move2add): Remove unused variable `src2'.
4191 * sched.c: Include recog.h.
4192 (sched_note_set): Remove unused parameter `b'. All callers
4194 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4195 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4196 when comparing against one.
4198 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4199 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4200 comparing against one.
4202 * unroll.c (precondition_loop_p): Remove unused parameter
4203 `loop_end'. All callers changed.
4205 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4207 * reload1.c (maybe_fix_stack_asms): New static function.
4210 * reload.h (compute_use_by_pseudos): Declare.
4212 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4213 (something_needs_reloads): Delete variable.
4214 (finish_spills): New function.
4215 (compute_use_by_pseudos): New function.
4217 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4218 Use the reload_insn_chain instead of walking the rtl directly.
4220 (reload): Allocate and free spilled_pseudos.
4221 Ensure that all calls of spill_hard_reg are followed by a call to
4223 Use the insns_need_reload list instead of something_needs_reloads
4224 to find out if reload_as_needed must be called.
4225 Clear unused_insn_chains at the end.
4227 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4229 Delete code to keep track of current basic block.
4230 Walk reload_insn_chain instead of the rtl structure. Build the
4231 insns_need_reload chain.
4232 Remember which insns need reloading/elimination by setting the
4233 appropriate fields in struct insn_chain, not by putting modes on the
4236 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4237 arg INSN. All callers changed.
4238 Delete declaration of struct needs.
4239 Don't set something_needs_reloads.
4240 Record insn needs in the CHAIN argument.
4242 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4244 (reload_as_needed): Lose FIRST arg. All callers changed.
4245 Walk the reload_insn_chain instead of the rtx structure.
4246 Delete code to keep track of current basic block.
4247 Rename one of the NEXT variables to OLD_NEXT.
4249 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4251 (choose_reload_regs): Likewise.
4253 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4256 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4257 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4258 (hard_regs_live, hard_regs_need_restore): Delete variables.
4259 (n_regs_saved): Now static.
4260 (referenced_regs, this_insn_sets): New variables.
4262 (setup_save_areas): Restructure the code a bit.
4264 (restore_referenced_regs): Delete function.
4265 (mark_referenced_regs): New function, similar to the old
4266 restore_referenced_regs, but mark registers in referenced_regs.
4268 (clear_reg_live): Delete function.
4269 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4270 Only mark registers in this_insn_sets.
4272 (save_call_clobbered_regs): Rework this function to walk the
4273 reload_insn_chain instead of using the list of instructions directly.
4274 Delete code to keep track of register lives, compute live regs on the
4275 fly from information in the chain.
4276 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4277 then walk the set it computes and call insert_restore as appropriate.
4279 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4281 Restructure the code a bit. Test hard_regs_saved instead of
4282 hard_regs_need_restore.
4283 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4284 args. All callers changed.
4285 Restructure the code a bit. Use TO_SAVE to determine which regs to
4286 save instead of more complicated test.
4287 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4289 Create a new insn_chain structure for the new insn and place it
4292 * rtl.texi: Update documentation to reflect that reload no longer
4293 puts modes on the insns.
4295 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4297 * function.c (purge_addressof_1): Force the first argument of a
4298 CALL insn to memory.
4300 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4302 * rtl.h: Delete duplicate prototypes. Add some missing
4304 * rtlanal.c: (for_each_rtx): Formatting tweak.
4306 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4308 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4309 to be compatible with TI compiler.
4311 * Makefile.in (USER_H): Add va-c4x.h to definition.
4313 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4315 * function.c (purge_addressof_1): Fix typo in inequality: do
4316 bitfield optimization for equal mode sizes.
4317 * expmed.c (store_bit_field): Don't take subregs of subregs in
4318 the movstrict case. Tidy a potential problem in the multi-word case.
4319 (extract_bit_field): Likewise.
4321 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4323 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4325 Compute max_uid_for_flow by calling get_max_uid after the scan.
4326 (find_basic_blocks_1): Don't emit NOPs here.
4328 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4330 * alias.c (base_alias_check): Accept new args for the modes of the
4331 two references. Use them to determine if an AND can overlap. Update
4333 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4334 to determine if an AND can overlap.
4336 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4338 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4339 check. Add comment to document problems with TARGET_SUN_FPA version
4341 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4343 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4345 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4347 * c-common.c (print_char_table): Add missing initializers.
4348 (scan_char_table): Likewise.
4349 (time_char_table): Likewise.
4351 * c-decl.c (c_decode_option): Mark parameter `argc' with
4353 (declare_parm_level): Mark parameter `definition_flag' with
4356 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4357 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4360 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4362 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4364 (expand_call): Cast result of MIN() to (unsigned int) when
4365 comparing against an unsigned value.
4367 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4369 (make_definition): Remove unused parameter `op'. All callers
4371 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4372 comparing against the result of pointer arithmetic.
4374 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4375 when comparing against one.
4377 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4378 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4380 (output_die): Move variable `i' into the scope in which it is
4381 used. Change its type to `unsigned'.
4382 (output_die): Cast the result of `strlen' to (int) when passing it
4383 to ASM_OUTPUT_ASCII().
4384 (output_pubnames): Likewise.
4385 (output_line_info): Likewise.
4387 * emit-rtl.c (global_rtl): Add missing initializers.
4389 * explow.c (promote_mode): Mark parameter `for_call' with
4392 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4393 `unsigned HOST_WIDE_INT' when comparing against one.
4394 (synth_mult): Change type of variable `cost' to int.
4395 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4397 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4398 when comparing against one.
4399 (get_inner_reference): Change variable `alignment' to unsigned.
4400 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4401 int) when comparing against one.
4402 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4404 * fold-const.c (div_and_round_double): Cast BASE to
4405 (HOST_WIDE_INT) when comparing against one.
4407 * gencheck.c: Include gansidecl.h.
4408 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4410 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4411 `tcode' with ATTRIBUTE_UNUSED.
4413 * real.c (edivm): Cast constant value to (unsigned long) in
4414 expression compared against an unsigned value.
4416 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4417 comparing against one.
4418 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4419 when comparing against one.
4421 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4422 (unsigned int) when comparing against one. Likewise for
4424 (smallest_mode_for_size): Likewise.
4425 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4426 (restore_storage_status): Likewise.
4428 * toplev.c (debug_args): Add missing initializer.
4429 (f_options): Spelling correction. Add missing initializers.
4430 (documented_lang_options): Likewise.
4431 (debug_end_source_file): Mark parameter `lineno' with
4434 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4435 `decl' and `type' with ATTRIBUTE_UNUSED.
4437 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4438 when comparing against one.
4439 (assemble_variable): Mark parameter `top_level' with
4441 (assemble_external_libcall): Mark parameter `fun' with
4443 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4446 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4448 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4449 Replace use of r5 with use of r19.
4451 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4453 * config/v850/v850.c (compute_register_save_size): Allow for the
4454 fact that helper functions save all registers, not just those used
4457 Replace constant 31 with macro LINK_POINTER_REGNUM.
4459 * config/v850/v850.md: Use 'indirect_operand' rather than
4460 'memory_operand' for bit test/set/clear patterns.
4462 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4464 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4465 * varasm.c (assemble_start_function et al): Don't call
4466 ASM_GLOBALIZE_LABEL for weak symbols.
4468 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4470 * cse.c (equiv_constant): Check for NULL return from
4471 gen_lowpart_if_possible().
4473 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4475 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4477 * collect2.c (main): Pass -EL/-EB through to the compiler.
4479 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4481 * expr.c (push_block): Handle targets where the stack grows
4482 to higher addresses, but args grow to lower addresses and
4483 ACCUMULATE_OUTGOING_ARGS is not defined.
4485 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4487 * config/v850/v850.c (print_operand): Extend meaning
4488 of 'c' operands to support .vtinherit.
4490 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4492 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4493 Added ATTRIBUTE_UNUSED to unused function arguments.
4494 (rc_reg_operand): New predicate.
4495 (c4x_rptb_insert): New function.
4496 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4497 (c4x_optimization_options): New function.
4499 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4500 (decrement_and_branch_on_count): New pattern.
4501 (rptb_top): Modified pattern to work with BCT optimization.
4503 * config/c4x/c4x.h (RC_REG): New register class.
4504 (rc_reg_operand): Define prototype.
4505 (IS_RC_REG): New macro.
4506 (IS_RC_OR_PSEUDO_REG): New macro.
4507 (IS_RC_OR_PSEUDO_REGNO): New macro.
4508 (OPTIMIZATION_OPTIONS): Define.
4510 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4512 * collect2.c (extract_init_priority): No priority is 65535.
4514 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4516 * Makefile.in (build_tooldir): new variable, same as old
4517 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4518 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4519 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4521 * configure.in (gxx_include_dir): set default based on unlibsubdir
4522 * Makefile.in (tooldir): ditto
4523 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4524 gxx_include_dir, includedir and tooldir
4525 (protoize.o, unprotoize.o): ditto
4527 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4529 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4531 * config/arm/thumb.c (thumb_override_options): Add warning about
4532 PIC code not being supported just yet.
4534 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4536 * flow.c: Update comment.
4537 (notice_stack_pointer_modification): New static function.
4538 (record_volatile_insns): Use it.
4539 (mark_regs_live_at_end): Mark the stack pointer as alive
4540 at the end of the function if current_function_sp_is_unchanging
4542 (life_analysis_1): Set current_function_sp_is_unchanging.
4543 * function.c: Define it.
4544 (init_function_start): Initialize it.
4545 * output.h: Declare it.
4546 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4547 the stack pointer as alive at the end of the function if
4548 current_function_sp_is_unchanging is set.
4549 * i386.c (ix86_epilogue): Optimize the restoring
4550 of the stack pointer.
4552 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4554 * version.c: Bump for snapshot.
4556 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4558 * c-pragma.c (handle_pragma_token): If passed a token instead
4559 of a tree, use that as the pack value.
4561 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4563 * flow.c (find_basic_blocks_1): Fix prototype.
4565 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4567 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4568 (struct tree_decl): New fields no_check_memory_usage.
4569 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4570 (init_attributes): Register it as a new attribute.
4571 (decl_attributes): Set flags on functions given that attribute.
4572 * c-decl.c (duplicate_decls): Merge new attribute.
4573 * expr.h (current_function_check_memory_usage): Declare new var.
4574 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4575 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4576 current_function_check_memory_usage.
4577 * function.h: Add field to struct function.
4578 * function.c (current_function_check_memory_usage): Define it.
4579 (push_function_context_to, pop_function_context_from): Save and
4581 (expand_function_start): Set it, based on global flag and function
4584 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4585 check non-automatic variables, to permit detection of writes to
4586 read-only locations in embedded systems without memory management.
4587 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4588 when emitting chkr_set_right_libfunc call, even if the argument is
4589 BLKmode or variable-sized; don't abort.
4591 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4592 symbols in Pmode, not VOIDmode.
4594 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4596 * cppexp.c: When forcing unsigned comparisons, cast both sides
4599 * cpphash.h: Move static declaration of hashtab[]...
4600 * cpphash.c: ...here.
4602 * cpplib.c: Cast difference of two pointers to size_t before
4603 comparing it to size_t. Cast signed to unsigned
4604 before comparing to size_t. (FIXME: struct argdata should use
4605 unsigned buffer sizes.)
4606 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4607 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4608 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4609 size_t before comparison.
4611 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4613 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4614 (find_basic_blocks_1): Similarly.
4615 * output.h (find_basic_blocks): Fix prototype.
4616 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4617 find_basic_blocks anymore.
4619 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4621 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4622 (sbitmap_free, sbitmap_vector_free): New macros.
4623 * output.h (rtl_dump_file): Declare.
4625 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4627 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4629 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4631 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4633 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4634 (divide): Remove unused variable `tmp'.
4635 (si_to_float): Cast numeric constant to (SItype) before comparing
4638 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4640 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4641 * gcc.c (add_preprocessor_option): Correct typo when allocating
4642 memory, sizeof() argument had one too many `*'.
4643 (add_assembler_option): Likewise.
4644 (add_linker_option): Likewise.
4645 * gcov.c (output_data): Likewise.
4646 * local-alloc.c (memref_used_between_p): Likewise.
4647 (update_equiv_regs): Likewise.
4648 * loop.c (strength_reduce): Likewise.
4649 * reg-stack.c (record_asm_reg_life): Likewise.
4650 (subst_asm_stack_reg): Likewise.
4651 * reorg.c (dbr_schedule): Likewise.
4653 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4655 * flow.c (life_analysis_1): Break out some functions.
4656 (find_basic_blocks_1): Likewise. Also move some variables out and
4658 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4659 new static var nonlocal_label_list with it.
4660 (active_eh_region, nested_eh_region, label_value_list,
4661 nonlocal_label_list): New static variables.
4662 (make_edges, delete_unreachable_blocks, delete_block): New static
4663 functions, broken out of find_basic_blocks_1.
4664 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4665 noop_move_p): New static functions, broken out of life_analysis_1.
4667 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4669 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4670 Take extra care for op0 now possibly being a subreg.
4671 (extract_bit_field): Likewise.
4672 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4673 the reg to memory if there is no equal sized integral mode.
4674 * stor-layout.c (int_mode_for_mode): New function.
4675 * machmode.h: Prototype it.
4677 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4679 * global.c (build_insn_chain): Verify no real insns exist past the
4680 end of the last basic block, then exit the loop.
4682 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4684 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4686 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4688 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4690 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4692 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4694 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4696 * flow.c (find_basic_blocks): Correctly determine when a call
4697 is within an exception region.
4699 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4701 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4703 * cpplib.h: Protect from multiple inclusions.
4704 * cpplib.c: Fix minor formatting problems.
4706 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4708 * jump.c (jump_optimize): Revert accidental patch.
4710 * Makefile.in (cpplib.o): Use unlibsubdir.
4712 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4714 * loop.c (get_condition): Allow combine when either compare is
4717 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4719 * version.c: Bump for snapshot.
4721 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4723 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4724 (init_lex): Initialize ridpointers[RID_BYREF].
4725 * c-lex.h (enum rid): Add RID_BYREF.
4726 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4727 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4728 (encode_type_qualifiers): Similarly
4729 * c-gperf.h: Rebuilt.
4731 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4733 * c-common.c (type_for_mode): Only return TItype nodes when
4734 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4735 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4736 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4737 (init_decl_processing): Only create TItype nodes when
4738 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4739 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4740 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4742 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4744 * stmt.c (n_occurrences): New static function.
4745 (expand_asm_operands): Verify that all constrains match in the
4746 number of alternatives.
4747 Verify that '+' or '=' are at the beginning of an output constraint.
4748 Don't allow '&' for input operands.
4749 Verify that '%' isn't written for the last operand.
4750 * reload.c (find_reloads): Abort if an asm is found with invalid
4751 constraints; all possible problems ought to be checked for earlier.
4753 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4755 * flags.h (flag_branch_on_count_reg): Always declare
4756 * toplev.c (flag_branch_on_count_reg): Likewise.
4757 * toplev.c: Fix typos.
4759 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4762 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4764 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4766 (find_basic_blocks_1): Add a nop to the end of a basic block when
4767 a trailing call insn does not have abnormal control flow.
4768 * gcse.c (pre_transpout): New variable.
4769 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4770 (compute_pre_transpout): Calculate it.
4771 (compute_pre_ppinout): Use it to eliminate impossible placements
4772 due to abnormal control flow through calls.
4773 (compute_pre_data): Call compute_pre_transpout.
4775 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4777 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4779 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4781 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4782 and matching define_insns): Tack on a `use' of the table label, so
4783 flow analysis will recognize a tablejump.
4785 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4787 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4788 always end basic blocks for abnormal edge reasons.
4790 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4792 * config/i386/i386.h: Remove definition of
4793 HANDLE_PRAGMA_PACK_PUSH_POP.
4795 * config/i386/go32.h: Add definition of
4796 HANDLE_PRAGMA_PACK_PUSH_POP.
4798 * config/i386/win32.h: Add definition of
4799 HANDLE_PRAGMA_PACK_PUSH_POP.
4801 * config/i386/cygwin32.h: Add definition of
4802 HANDLE_PRAGMA_PACK_PUSH_POP.
4804 * c-pragma.c (insert_pack_attributes): Do not insert
4805 attributes unless #pragma pack(push,<n>) is in effect.
4807 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4809 * expr.c (emit_group_store): Handle a PARALLEL destination.
4811 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4813 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4814 the new insns before the argument regs are loaded.
4816 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4818 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4819 (c-parse.gperf): Update comments describing invocation flags.
4820 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4822 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4824 * reload1.c (reload): Call free before clobbering the memory
4825 locations or constants pointers.
4827 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4829 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4830 for efficiency by checking whether we need to modify the current
4831 stack permission at all.
4832 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4833 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4834 __enable_execute_stack libcall here too if
4835 TRANSFER_FROM_TRAMPOLINE is defined.
4836 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4839 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4841 * Makefile.in (DRIVER_DEFINES): Remove last change.
4843 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4845 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4846 insns we're going to copy.
4847 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4849 * loop.c (count_one_set): Add prototype.
4851 * caller-save.c (restore_referenced_regs): Lose mode argument.
4852 (insert_save): Lose mode argument.
4853 (insert_restore): Lose mode argument.
4854 (insert_one_insn): Lose mode argument.
4855 (save_call_clobbered_regs): Lose mode argument.
4856 (setup_save_areas): Take no argument and return void. All callers
4858 Don't verify validity of memory addresses.
4859 * reload.h (setup_save_ares): Adjust prototype.
4860 (save_call_clobbered_regs): Likewise.
4861 * reload1.c (delete_caller_save_insns): New function.
4862 (caller_save_spill_class): Delete variable.
4863 (caller_save_group_size): Delete variable.
4864 (reload): Call setup_save_areas and save_call_clobbered_regs
4865 in the main loop, before calling calculate_needs_all_insns.
4866 Don't call save_call_clobbered_regs after the loop.
4867 Call delete_caller_save_insns at the end of an iteration if
4869 Delete code to manage caller_save_spill_class.
4870 Emit the final note before setting reload_first_uid.
4871 Simplify test that determines whether reload_as_needed gets run.
4872 (calculate_needs): Delete code to manage caller_save_spill_class.
4874 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4876 * collect2.c (main): Initialize ld_file_name.
4878 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4880 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4881 check for flag_function_sections.
4883 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4885 * cse.c (insert_regs): Fix bug in Sep 24 change.
4887 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4889 * flags.h (flag_dump_unnumbered): Declare.
4890 * toplev.c (flag_dump_unnumbered): Don't declare.
4891 * print-rtl.c (flags.h): Include.
4892 (print_rtl_single): Add return value.
4893 * rtl.h (print_rtl_single): Update declaration.
4894 * flow.c (flag_dump_unnumbered): Don't declare.
4895 (print_rtl_with_bb): Use return value of print_rtl_single.
4897 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4899 * loop.c (count_one_set): New static function, broken out of
4901 (count_loop_regs_set): Call it.
4902 * global.c (mark_reg_store): Handle clobbers here by not calling
4904 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4905 is in fact a clobber.
4906 * integrate.c (process_reg_param): New function, broken out of
4907 expand_inline_function.
4908 (expand_inline_function): Call it.
4911 * i386.md (addsidi3_1): Delete unused variable temp.
4912 (addsidi3_2): Likewise.
4913 (clstrstrsi): Delete unused variable addr1.
4915 * rtl.h: Don't declare any functions also declared in recog.h.
4917 * Makefile.in (stupid.o): Update dependencies.
4918 (global.o): Likewise.
4920 * global.c: Include reload.h
4921 (reg_becomes_live): New function.
4922 (reg_dies): New function.
4923 (build_insn_chain): New function.
4924 (global_alloc): Call build_insn_chain before calling reload.
4926 * reload.h (struct needs): New structure definition.
4927 (struct insn_chain): Likewise.
4928 (reload_insn_chain): Declare variable.
4929 (new_insn_chain): Declare function.
4932 * reload1.c (reload_startobj): New variable.
4933 (reload_insn_chain): New variable.
4934 (unused_insn_chains): New variable.
4935 (new_insn_chain): New function.
4936 (init_reload): Initialize reload_startobj, not reload_firstobj.
4937 (reload): Initialize reload_firstobj.
4938 Before returning, free everything on the reload_obstack.
4940 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4941 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4942 current_chain): New variables.
4943 (reg_where_born): Delete variable.
4944 (REG_WHERE_BORN): New macro.
4945 (find_clobbered_regs): New function.
4946 (stupid_life_analysis): Don't allocate/free reg_where_born.
4947 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4948 reg_where_dead_chain.
4949 Use REG_WHERE_BORN instead of reg_where_born.
4950 While processing the insns, build the reload_insn_chain with
4951 information about register lifetimes.
4952 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4953 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4955 Compute and information about birth and death of pseudo registers in
4956 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4957 Delete code to set elements of reg_where_born.
4959 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4961 * tree.def (GOTO_EXPR): Modified documentation.
4962 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4965 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4967 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4968 loop_final_value, loop_comparison_code): No longer static.
4969 (unroll_loop): Delete loop_start_value update.
4970 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4971 loop_final_value, loop_comparison_code): Extern.
4972 (loop_start_value): Delete extern.
4973 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4974 loop_comparison_value, loop_comparison_code): Delete.
4975 (loop_optimize): Remove initialization for deleted variables.
4976 (strength_reduce): Delete analyze_loop_iterations call. Only call
4977 insert_bct if flag_branch_count_on_reg set.
4978 (analyze_loop_iterations): Delete.
4979 (insert_bct): Remove iteration count calculation. Move checks for
4980 viable BCT optimization to here. Obtain iteration count from
4981 loop_iterations and correct for unrolling. Check for enough
4982 iteration to be beneficial. Comment out runtime iteration count
4984 (insert_bct): Print iteration count in dump file. Remove
4985 loop_var_mode and use word_mode directly.
4987 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4988 * rs6000.c (rs6000_override_options): Use it.
4989 (optimization_options): Enable use of flag_branch_on_count_reg.
4990 * rs6000.md (define_function_unit): Describe 604e.
4992 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4994 * loop.c (move_movables): Corrected threshold calculation for
4995 moved_once registers.
4997 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4999 * loop.c (combine_givs_p): Fix test for identical givs.
5001 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5003 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5004 call abort if the function is already defined.
5006 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5008 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5009 truncation is not a no-op.
5011 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5013 * version.c: Bump for snapshot.
5015 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5017 * version.c: Bump for snapshot.
5019 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5021 * expmed.c (expand_divmod): Don't widen for computing remainder
5022 if we seem to have a divmod pattern for needed mode.
5024 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5026 * cpplib.c (macroexpand): Correct off-by-one error in handling
5029 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5031 * combine.c (expand_field_assignment): Don't do bitwise operations
5032 on MODE_FLOAT; pun to MODE_INT if possible.
5034 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5035 scott snyder <snyder@d0sgif.fnal.gov>
5037 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5038 linker. Recognize mangled names in quotes.
5040 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5042 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5043 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5044 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5045 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5047 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5049 * function.c (purge_addressof_1): If trying to take a sub-word
5050 integral piece of a floating point mode, put it on the stack.
5052 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5054 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5056 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5058 * PROJECTS: Remove template friends.
5060 * collect2.c (sort_ids): Remove unused variable.
5062 * tm.texi (MATH_LIBRARY): Document.
5063 (NEED_MATH_LIBRARY): Remove.
5065 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5066 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5068 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5070 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5071 last_end to 0x7fffffff.
5073 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5075 * function.c (purge_addressof_1): Do not perform endianness
5076 corrections on bitpos, who we call will do it for us.
5078 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5080 * h8300.c (WORD_REG_USED): Fix typo.
5081 (initial_offset): Use WORD_REG_USED.
5083 * h8300.c (handle_pragma): Fix typo.
5085 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5087 * caller-save.c (insert_save_restore): Break this function up
5088 into new functions insert_restore, insert_save and insert_one_insn.
5089 All callers changed.
5090 (insert_restore): New function, mostly broken out of
5091 insert_save_restore.
5092 (insert_save): Likewise.
5093 (insert_one_insn): Likewise.
5094 (restore_referenced_regs): New argument BLOCK. All callers changed.
5095 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5096 in this function, do it in insert_one_insn instead.
5098 * reload1.c (reload): Break out some more pieces into separate
5100 (dump_needs): New function, broken out of reload.
5101 (set_initial_elim_offsets): Likewise.
5102 (init_elim_table): Likewise.
5103 (update_eliminables): Likewise.
5105 * global.c (global_alloc): Delete code to manage the scratch_list.
5106 * local-alloc.c (qty_scratch_rtx): Delete.
5107 (scratch_block): Delete.
5108 (scratch_list): Delete.
5109 (scratch_list_length): Delete.
5110 (scratch_index): Delete.
5111 (alloc_qty_for_scratch): Delete.
5112 (local-alloc): Update initialization of max_qty.
5113 Delete code to manage the scratch list.
5114 Delete code to allocate/initialize qty_scratch_rtx.
5115 (block_alloc): Don't allocate quantities for scratches.
5116 Delete code to manage the scratch list.
5117 * regs.h (scratch_list): Delete declaration.
5118 (scratch_block): Delete declaration.
5119 (scratch_list_length): Delete declaration.
5120 * reload1.c (reload): Delete code to manage the scratch list.
5121 (spill_hard_reg): Likewise.
5122 (mark_scratch_live): Delete.
5124 * recog.c (alter_subreg): Delete declaration.
5126 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5128 * Makefile.in (cccp.o): Fix typo in last patch.
5130 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5132 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5133 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5135 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5137 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5138 NULL_RTX as an argument.
5140 * Makefile.in (unlibsubdir): Define.
5141 (DRIVER_DEFINES): Use unlibsubdir.
5142 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5143 (stmp-fixinc): Similarly.
5145 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5147 * regmove.c (regmove_optimize): Add variable old_max_uid.
5148 At the end of the function, update basic_block_end.
5150 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5152 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5153 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5156 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5158 * config/arm/arm.c: Improve interworking support.
5160 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5162 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5163 copied from reload_out[r] .
5165 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5167 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5168 with more than three size ranges.
5170 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5172 * rtl.c (mode_name): Add a null string at the end of the array.
5173 (mode_wider_mode): Change type to unsigned char.
5174 (mode_mask_array): New variable.
5175 (init_rtl): Update for mode_wider_mode type change.
5177 * rtl.h (mode_wider_mode): Change type to unsigned char.
5178 (mode_mask_array): Declare.
5179 (GET_MODE_MASK): Use mode_mask_array.
5181 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5183 * calls.c (expand_call) : Encapsulate code into
5184 copy_blkmode_from_reg.
5185 * expr.c (copy_blkmode_from_reg): New function.
5186 * expr.h (copy_blkmode_from_reg): New function.
5187 * integrate.c (function_cannot_inline_p): We can inline
5189 (expand_inline_function): Use copy_blkmode_from_reg
5190 if needed. Avoid creating BLKmode REGs.
5191 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5194 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5196 * config/v850/v850.c: Add function prototypes.
5197 Add support for v850 special data areas.
5199 * config/v850/v850.h: Add support for v850 special data areas.
5201 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5202 HANDLE_PRAGMA_PACK_PUSH_POP.
5203 (push_alignment): New function: Cache an alignment requested
5204 by a #pragma pack(push,<n>).
5205 (pop_alignment): New function: Pop an alignment from the
5207 (insert_pack_attributes): New function: Generate __packed__
5208 and __aligned__ attributes for new decls whilst a #pragma pack
5210 (add_weak): New function: Cache a #pragma weak directive.
5211 (handle_pragma_token): Document calling conventions. Add
5212 support for #pragma pack(push,<n>) and #pragma pack (pop).
5214 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5215 are defined enable HANDLE_PRAGMA_PACK.
5216 Move 'struct weak_syms' here (from varasm.c).
5217 Add pragma states for push and pop pragmas.
5219 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5222 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5223 HANDLE_GENERIC_PRAGMAS.
5225 * varasm.c: Move definition of 'struct weak_syms' into
5227 (handle_pragma_weak): Deleted.
5229 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5231 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5233 * c-decl.c (start_function): Add invocation of
5234 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5236 * tm.texi: Remove description of non-existant macro
5237 SET_DEFAULT_SECTION_NAME.
5239 (HANDLE_SYSV_PRAGMA): Document.
5240 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5242 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5244 * config.sub: Recognize i[34567]86-pc-udk as new target.
5245 * configure.in: Likewise.
5246 * config/i386/t-udk: New file.
5247 * config/i386/udk.h: New file.
5249 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5251 * reorg.c (check_annul_list_true_false): Remove unused variables.
5252 (steal_delay_list_from_target): Add missing "used_annul" variable.
5253 (try_merge_delay_insns): Close out half formed comment.
5255 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5257 * cpplib.c (macroexpand): If arg->raw_before or
5258 arg->raw_after, remove any no-reexpansion escape at the
5259 beginning of the pasted token. Correct handling of whitespace
5260 markers and no-reexpand markers at the end if arg->raw_after.
5262 * toplev.c (documented_lang_options): Recognize -include,
5263 -imacros, -iwithprefix, -iwithprefixbefore.
5264 * cpplib.c (cpp_start_read): Process -imacros and -include
5265 switches at the same time and in command-line order, after
5266 initializing the dependency-output code. Emit properly nested
5267 #line directives for them. Emit a #line for the main file
5268 before processing these switches, and don't do it again
5271 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5273 * function.c (purge_addressof_1): Use bitfield manipulation
5274 routines to handle mem mode < reg mode.
5276 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5278 * reorg.c (try_merge_delay_insns): Account for resources referenced
5279 in each instruction in INSN's delay list before trying to eliminate
5280 useless instructions. Similarly when looking at a trial insn's delay
5283 * reorg.c (check_annul_list_true_false): New function.
5284 (steal_delay_list_from_{target,fallthrough}): Call it and also
5285 refine tests for when we may annul if already filled a slot.
5286 (fill_slots_from_thread): Likewise.
5287 (delete_from_delay_slot): Return newly-created thread.
5288 (try_merge_delay_isns): Use its new return value.
5290 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5292 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5293 used to compute a giv or as some other non-counting use.
5295 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5297 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5298 * local-alloc.c (find_free_reg): Use it.
5299 * global.c (find_reg): Likewise.
5300 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5302 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5303 * caller-save.c (init_caller_save): Use it.
5304 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5306 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5308 * configure.in: Add --enable-cpplib option which uses cpplib
5309 for cpp, but doesn't link cpplib into cc1. Make help text
5310 capitalization consistent.
5311 * configure: Rebuilt.
5313 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5315 * function.c (gen_mem_addressof): If the address REG is
5316 REG_USERVAR_P make the new REG be so also.
5317 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5318 in an attempt to clarify slightly.
5320 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5322 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5323 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5325 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5327 * toplev.c: Fix last patch.
5329 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5331 * loop.c (get_condition): Fix typo in May 9 change.
5333 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5335 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5337 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5339 * toplev.c (documented_lang_options): Spelling corrections.
5341 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5343 * configure.in: new flags --with-ld and --with-as, equivalent
5344 to setting LD and AS environment variables. Test whether
5345 specified arguments are GNU commands, and report them with
5346 checking messages. Use the specified AS for configure
5349 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5351 * gcc.c (find_a_file): when looking for `as' and `ld', return
5352 the DEFAULT program if it exists
5353 * collect2.c (main): use DEFAULT_LINKER if it exists
5355 * gcc.c (find_a_file): the test for existence of a full
5356 pathname was reversed
5358 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5360 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5361 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5363 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5365 * tree.h (TYPE_BINFO): Document.
5367 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5369 * i386-coff.h (dbxcoff.h): Added.
5371 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5373 * toplev.c: fix bad patch around flag_data_sections.
5375 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5377 * reload1.c (reload): Use reload_address_index_reg_class and
5378 reload_address_base_reg_class when setting
5379 caller_save_spill_class. (Patch generated by Jim Wilson:
5382 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5384 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5385 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5386 * expr.c (store_field): Add alias_set parameter. Set the
5387 MEM_ALIAS_SET accordingly, if the target is a MEM.
5388 (expand_assignment): Use it.
5389 (store_constructor_field): Pass 0.
5390 (expand_expr): Likewise.
5392 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5394 * flags.h: Add flag_data_sections.
5395 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5396 (compile_file): Error if flag_data_sections not supported.
5397 * varasm.c (assemble_variable): Handle flag_data_sections.
5398 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5399 * config/mips/elf.h: Likewise.
5400 * config/mips/elf64.h: Likewise.
5401 * invoke.texi: Describe -fdata-sections.
5403 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5405 * invoke.texi (-ffloat-store): Clarify that this option
5406 does not affect intermediate results -- only variables.
5408 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5410 * cpp.texi: Update for Fortran usage from Craig.
5412 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5414 * rs6000.c (function_arg_boundary): Revert accidental change on
5417 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5419 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5420 (output_mi_thunk): Declare.
5422 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5423 (output_function_profiler): Use r12 for temp, instead of r11 so
5424 that we preserve the static chain register.
5426 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5428 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5430 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5432 * sh.c (gen_shl_sext): Fix case 5.
5434 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5436 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5438 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5440 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5441 accessing variables until they are initialized via va_arg().
5443 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5445 * reload1.c (reload_combine): Initialize set before using.
5447 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5449 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5452 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5454 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5455 operand3 with mask before using it. Patch provided by Jim Wilson.
5457 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5459 * config/sparc/sparc.c (function_value): Perform the equivalent of
5460 PROMOTE_MODE for ARCH64.
5461 (eligible_for_epilogue_delay): Allow DImode operations in delay
5462 slot of a return for ARCH64.
5464 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5466 * sh.md (sqrtsf2): Fix mode of sqrt.
5468 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5470 * reload1.c (choose_reload_regs): Also try inheritance when
5471 reload_in is a stack slot of a pseudo, even if we already got a
5474 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5476 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5477 (reload_cse_regs): New function body: call reload_cse_regs_1,
5478 reload_combine, reload_cse_move2add.
5479 When doing expensive_optimizations, call reload_cse_regs_1 a
5480 second time after reload_cse_move2add.
5481 (reload_combine, reload_combine_note_store): New functions.
5482 (reload_combine_note_use): New function.
5483 (reload_cse_move2add, move2add_note_store): New functions.
5485 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5487 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5488 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5490 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5491 more than 3 such reloads.
5493 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5494 RELOAD_FOR_X_ADDR_ADDR reload.
5496 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5498 * expr.c (store_constructor): When initializing a field that is smaller
5499 than a word, at the start of a word, try to widen it to a full word.
5501 * cse.c (cse_insn): When we are about to change a register,
5502 remove any invalid references to it.
5504 (remove_invalid_subreg_refs): New function.
5505 (mention_regs): Special treatment for SUBREGs.
5506 (insert_regs): Don't strip SUBREG for call to mention_regs.
5507 Check if reg_tick needs to be bumped up before that call.
5508 (lookup_as_function): Try to match known word_mode constants when
5509 looking for a norrower constant.
5510 (canon_hash): Special treatment for SUBREGs.
5512 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5514 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5515 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5516 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5517 and offsets in actual stack trampoline code so they match the
5518 commentary and actually work.
5520 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5522 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5524 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5525 tmake_file. Set extra_parts to needed crt objects.
5526 * configure: Rebuilt.
5527 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5528 (TARGET_DEFAULT): Set if default is v9 or ultra.
5529 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5530 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5531 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5532 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5533 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5534 (TARGET_VERSION): Define.
5535 (MULTILIB_DEFAULT): Define.
5536 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5537 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5538 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5540 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5541 * config/sparc/sparc.c (sparc_override_options): If arch and
5542 pointer size disagree, emit diagnostic and fix it up. If
5543 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5544 V8PLUS in 64-bit mode.
5545 * config/sparc/t-linux64: New file.
5546 * config/sparc/t-sol2-64: New file.
5547 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5548 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5549 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5550 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5551 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5552 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5554 (STARTFILE_SPEC): Set approriately based upon those.
5555 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5556 disposition of DEFAULT_ARCH32_P.
5557 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5558 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5559 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5560 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5561 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5563 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5565 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5567 * rtl.h (init_virtual_regs): New function.
5568 * emit-rtl.c (init_virtual_regs): Define.
5569 (insn_emit): Use it.
5570 * integrate.c (save_for_inline_copying): Likewise.
5572 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5574 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5575 (enum reg_class): Add NONARG_LO_REGS support.
5576 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5577 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5578 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5579 completes. Re-enable HImode REG+OFFSET addresses.
5580 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5582 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5584 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5586 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5587 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5588 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5590 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5592 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5593 jumps as a single entity, taking into account the size of the
5596 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5598 * tree.def (SWITCH_EXPR): New tree node definition.
5600 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5602 * version.c: Bump for snapshot.
5604 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5606 * version.c: Bump for snapshot.
5608 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5610 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5613 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5615 * Revert this patch.
5616 * reload.c (find_reloads): Do not replace a pseudo with
5617 (MEM (reg_equiv_addr)) in the initializing insn for the
5620 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5622 * final.c (final_scan_insn): Disable tracking CC across branches.
5624 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5626 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5627 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5628 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5629 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5630 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5632 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5634 * toplev.c (rest_of_compilation): Skip compiling anything with
5635 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5637 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5639 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5640 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5641 use in_libcall_block.
5642 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5643 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5646 Mon Sep 21 14:02:23 1998
5648 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5649 typo in no-fancy-math-387 description.
5651 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5653 * version.c: Bump for snapshot.
5655 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5657 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5659 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5661 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5662 documented in install.texi.
5663 (TARGET_OPTIONS) Likewise.
5665 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5667 * version.c: Bump for snapshot.
5669 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5671 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5672 * cccp.c (main): Likewise.
5674 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5675 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5678 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5680 * Makefile.in (LIBS): Link in libiberty.a.
5681 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5683 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5685 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5686 it to update bb boundaries. Update caller.
5687 * function.c (reposition_prologue_and_epilogue_notes): Update
5688 bb boundaries wrt the moved note.
5690 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5692 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5694 * configure: Regenerate.
5696 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5698 * alpha.c (alpha_sr_alias_set): New variable.
5699 (override_options): Set it.
5700 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5701 (mode_mask_operand): Fix signed-unsigned comparision warning.
5702 (alpha_expand_block_move): Likewise.
5703 (print_operand): Likewise.
5704 (get_aligned_mem): Use change_address.
5705 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5706 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5707 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5708 (alpha_align_insns): Remade from old alphaev5_align_insns
5709 to handle multiple processors.
5710 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5711 * output.h (label_to_alignment): Prototype.
5713 * tree.c (new_alias_set): New function.
5714 * tree.h (new_alias_set): Declare it.
5715 * c-common.c (c_get_alias_set): Use it.
5717 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5719 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5720 to an ABS expr, convert an unsigned input to signed.
5722 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5724 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5726 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5728 * configure.in: Add support for c4x targets.
5729 * configure: Rebuilt.
5731 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5733 * combine.c (distribute_notes): If an insn is a cc0 user, only
5734 delete it if we can also delete the cc0 setter.
5736 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5738 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5739 (invert_truthvalue): Enable truthvalue inversion for
5740 floating-point operands if -ffast-math.
5742 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5744 * configure.in: Disable collect2 for nextstep. Instead use
5746 * configure: Rebuilt.
5747 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5748 (ENDFILE_SPEC): Define.
5749 (OBJECT_FORMAT_MACHO): Define.
5750 (EH_FRAME_SECTION_ASM_OP): Define.
5751 * crtstuff.c: Handle MACHO.
5753 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5755 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5757 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5759 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5760 (_fpadd_parts): Get sign right for 0.
5762 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5764 * ginclude/varargs.h: Add support for C4x target.
5765 * ginclude/stdargs.h: Likewise.
5767 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5769 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5770 (alpha_emit_set_long_const): Rewrite to be callable from reload
5772 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5773 * alpha.md (movdi): Likewise.
5775 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5777 * arm.c (add_constant): New parameter address_only, change caller.
5778 Set it non-zero if taking the address of an item in the pool.
5779 (arm_reorg): Handle cases where we need the address of an item in
5782 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5784 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5785 memory addresses that are not in standard canonical form.
5787 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5789 * README.C4X: New file with information about the c4x ports.
5790 * ginclude/va-c4x.h: New file for c4x varargs support.
5791 * config/c4x: New directory with c4x port files.
5793 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5795 * reload.c (find_reloads): Do not replace a pseudo with
5796 (MEM (reg_equiv_addr)) in the initializing insn for the
5799 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5801 * toplev.c (rest_of_compilation): Set bct_p on second call to
5803 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5805 (strength_reduce): Only call analyze_loop_iterations and
5806 insert_bct if bct_p set.
5807 (check_dbra_loop): Fix typo.
5808 (insert_bct): Use word_mode instead of SImode.
5809 (instrument_loop_bct): Likewise. Do not delete iteration count
5810 condition code generation insn. Initialize iteration count before
5812 * rtl.h (loop_optimize): Update prototype.
5814 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5815 not doubleword aligned.
5817 * rs6000.c (optimization_options): New function.
5818 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5819 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5820 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5821 first; cr1 can be used for FP record condition insns.
5823 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5825 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5828 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5831 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5833 (block_move_call): New function: Call a library routine to copy a
5835 (m32r_expand_block_move): New function: Expand a "movstrsi"
5836 pattern into a sequence of insns.
5837 (m32r_output_block_move): New function: Expand a
5838 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5839 (m32r_block_immediate_operand): New function: Return true if the
5840 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5842 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5844 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5846 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5848 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5850 * regmove.c (copy_src_to_dest): Check that modes match.
5852 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5854 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5856 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5858 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5859 narrower than FLOAT_REGS.
5861 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5863 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5865 * Makefile.in (old_gxx_include_dir): removed
5867 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5869 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5872 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5873 (sh_handle_pragma): Change function arguments to match new
5874 specification for HANDLE_PRAGMA.
5876 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5878 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5880 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5881 When generating output, initialize missing struct member to zero.
5883 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5885 * regmove.c (copy_src_to_dest): Don't copy if that requires
5886 (a) new register(s).
5888 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5890 * global.c (reg_allocno): Now static.
5891 * reload1.c (reg_allocno): Delete declaration.
5892 (order_regs_for_reload): Take no arguments. Don't treat regs
5893 allocated by global differently than those allocated by local-alloc.
5895 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5897 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5898 condition, fix format strings.
5899 (output_function_epilogue): Likewise.
5901 * m68k/m68k.c: Don't include <stdlib.h> directly.
5903 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5905 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5906 mem_first_set, mem_last_set; because 0 can be a CUID.
5907 (oprs_unchanged_p): Use new definition.
5908 (record_last_reg_set_info): Likewise.
5909 (record_last_mem_set_info): Likewise.
5910 (compute_hash_table): Likewise.
5912 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5914 * rs6000.c (output_epilogue): Handle Chill.
5916 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5917 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5919 * combine.c (make_extraction): If no mode is specified for
5920 an operand of insv, extv, or extzv, default it to word_mode.
5921 (simplify_comparison): Similarly.
5922 * expmed.c (store_bit_field): Similarly.
5923 (extract_bit_field): Similarly.
5924 * function.c (fixup_var_regs_1): Similarly.
5925 * recog.c (validate_replace_rtx_1): Similarly.
5926 * mips.md (extv, extzv, insv expanders): Default modes for most
5927 operands. Handle TARGET_64BIT.
5928 (movdi_uld, movdi_usd): New patterns.
5930 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5931 equivalent memory location unless we have been provided a scratch
5932 register. Similarly do not call find_replacement unless a
5933 scratch register has been provided.
5935 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5937 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5940 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5942 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5943 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5944 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5945 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5946 * c-decl.c (init_decl_processing): Update accordingly.
5947 * expr.c (expand_builtin): Likewise.
5949 * rtl.h (global_rtl): Add cfa entry.
5950 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5951 (LAST_VIRTUAL_REGISTER): Update.
5952 * emit-rtl.c (global_rtl): Add cfa entry.
5953 (init_emit): Initialize it.
5954 * function.c (cfa_offset): New.
5955 (instantiate_virtual_regs): Initialize it.
5956 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5957 (expand_function_end): Call expand_eh_return.
5958 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5960 * except.c (current_function_eh_stub_label): Kill.
5961 (current_function_eh_old_stub_label): Likwise; update all references.
5962 (expand_builtin_set_return_addr_reg): Kill.
5963 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5964 (expand_builtin_set_eh_regs): Kill.
5965 (eh_regs): Produce a third reg for the actual handler address.
5966 (eh_return_context, eh_return_stack_adjust): New.
5967 (eh_return_handler, eh_return_stub_label): New.
5968 (init_eh_for_function): Initialize them.
5969 (expand_builtin_eh_return, expand_eh_return): New.
5970 * except.h: Update prototypes.
5971 * flow.c (find_basic_blocks_1): Update references to the stub label.
5972 * function.h (struct function): Kill stub label elements.
5974 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5975 register number is one that would be in the previous window.
5976 Provide a dummy definition for non-windowed targets.
5977 (get_reg_addr): New function.
5978 (get_reg, put_reg, copy_reg): Use it.
5979 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5980 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5982 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5983 (alpha_init_expanders): Initialize it.
5984 (alpha_expand_epilogue): Use it.
5985 * alpha.h: Declare it.
5986 * alpha.md (eh_epilogue): New.
5988 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5989 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5991 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5993 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5996 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5998 * except.h (struct eh_entry): Add false_label field.
5999 (end_catch_handler): Add prototype.
6000 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6001 (start_catch_handler): When using old style exceptions, issue
6002 runtime typematch code before continuing with the handler.
6003 (end_catch_handler): New function, generates label after handler
6004 if needed by older style exceptions.
6005 (expand_start_all_catch): No need to check for new style exceptions.
6006 (output_exception_table_entry): Only output the first handler label
6007 for old style exceptions.
6008 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6009 mechanism into one function, if a runtime matcher is provided.
6011 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6013 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6015 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6017 * integrate.c (copy_decl_list): Fix typo.
6019 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6021 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6024 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6026 * version.c: Bump for snapshot.
6028 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6030 * version.c: Bump for snapshot.
6032 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6034 * version.c: Bump for snapshot.
6036 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6038 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6040 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6042 * configure.in: remove usage of `!' to negate the result of a
6043 command; some common shells do not support it
6045 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6047 * configure.in: in sparc9-sol2 config, use 'if test' not
6049 * configure: Rebuilt.
6051 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6053 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6054 (CPP_CPU_DEFAULT_SPEC): Likewise.
6055 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6056 for arch64 libfuncs.
6058 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6061 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6063 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6065 * collect2.c: Don't declare `sys_siglist' here.
6066 (my_strsignal): Prototype and define new function. Use it in
6067 place of `sys_siglist' hacks.
6069 * mips_tfile.c: Likewise.
6071 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6072 (GCC_NEED_DECLARATIONS): Likewise.
6074 * system.h (strsignal): Prototype it, if necessary.
6075 (sys_siglist): Declare it, if necessary.
6077 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6079 * loop.c (move_movables): While removing insn sequences, preserve
6080 the next pointer of the most recently deleted insn when we skip
6083 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6085 * objc/config-lang.in: Do not output the name of the selected
6086 thread file when building the front-end. The Makefile for the
6087 runtime library will do this.
6089 * objc/Make-lang.in: Do not build the runtime library or install
6090 the Objective C header files. The Makefile for the runtime
6091 library will do this.
6093 * objc/Makefile.in (all.indirect): Only build the front-end.
6094 (compiler): Rename to `frontend'.
6095 (obj-runtime): Remove target.
6096 (copy-headers): Likewise.
6097 (clean): No need to remove `libobjc.a' any longer.
6099 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6101 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6102 supported with -mcpu=xxx.
6104 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6106 * flow.c (mark_set_1): Recognize multi-register structure return
6107 values in CALL insns.
6108 (mark_used_regs): Likewise.
6109 (count_reg_sets_1): Likewise.
6110 (count_reg_references): Likewise.
6111 * rtlanal.c (note_stores): Likewise.
6112 (reg_overlap_mentioned_p): Likewise.
6113 * haifa-sched.c (check_live_1): Likewise.
6114 (update_live_1): Likewise.
6115 (sched_analyze_1): Likewise.
6116 (sched_note_set): Likewise.
6117 (birthing_insn_p): Likewise.
6118 (attach_deaths): Likewise.
6120 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6123 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6125 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6127 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6129 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6131 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6133 * configure.in: Add check for GAS subsection -1 support.
6134 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6135 * configure config.in: Rebuilt.
6136 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6137 SImode is subsection -1 works, else use DImode.
6138 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6139 subsection -1 works.
6140 * config/sparc/sparc.c (sparc_output_addr_vec,
6141 sparc_output_addr_diff_vec): Use them if defined.
6143 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6145 * tree.h (DECL_ORIGIN): New macro.
6146 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6147 (copy_decl_list): Use it.
6148 (integrate_parm_decls): Likewise.
6149 (integrate_decl_tree): Likewise.
6150 * dwarf2out.c (decl_ultimate_origin): Simplify.
6151 * dwarfout.c (decl_ultimate_origin): Likewise.
6152 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6153 (pushdecl): Likewise.
6155 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6157 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6159 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6161 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6163 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6165 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6166 empty or has a single entry.
6168 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6169 before calling reg_to_stack.
6171 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6173 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6174 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6176 * c-tree.h (warn_long_long): Declare it.
6178 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6180 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6181 initialized float-int union if the value is a NaN.
6183 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6185 * c-lex.c (real_yylex): Don't warn about long long constants if
6186 we're allowing long long
6188 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6190 * except.h (current_function_eh_stub_label): Declare.
6191 (current_function_eh_old_stub_label): Declare.
6192 * function.h (struct function): New members eh_stub_label and
6194 * except.c (current_function_eh_stub_label): New variable.
6195 (current_function_eh_old_stub_label): New variable.
6196 (init_eh_for_function): Clear them.
6197 (save_eh_status): Save them.
6198 (restore_eh_status): Restore them.
6199 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6200 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6201 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6202 make an edge from the block that contains it to the block starting
6203 with the label if this label is one of the eh stub labels.
6204 If eh stub labels exist, show they are reachable from the last block
6207 * reload1.c (reload): Break out several subroutines and make some
6209 (calculate_needs_all_insns): New function, broken out of reload.
6210 (calculate_needs): Likewise.
6211 (find_reload_regs): Likewise.
6212 (find_group): Likewise.
6213 (find_tworeg_group): Likewise.
6214 (something_needs_reloads): New global variable, formerly in reload.
6215 (something_needs_elimination): Likewise.
6216 (caller_save_spill_class): Likewise.
6217 (caller_save_group_size): Likewise.
6218 (max_needs): Likewise.
6219 (group_size): Likewise.
6220 (max_groups): Likewise.
6221 (max_nongroups): Likewise.
6222 (group_mode): Likewise.
6223 (max_needs_insn): Likewise.
6224 (max_groups_insn): Likewise.
6225 (max_nongroups_insn): Likewise.
6226 (failure): Likewise.
6228 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6230 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6232 * loop.c (load_mems): Copy rtx for output mem.
6234 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6236 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6237 mips1 or mips2 either.
6239 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6241 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6243 (pa_adjust_insn_length): Update to work with new marking scheme
6244 for jumps inside switch tables.
6245 * pa.md (switch_jump): Remove pattern.
6246 (jump): Handle jumps inside jump tables.
6248 * Makefile.in (profile.o): Depend on insn-config.h
6250 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6252 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6254 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6256 Add preliminary native sparcv9 Solaris support.
6257 * configure.in: Recognize sparv9-*-solaris2*
6258 * configure: rebuilt
6259 * config.sub: Recognize sparcv9 just like sparc64.
6260 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6261 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6262 32-bit and 64-bit Solaris systems.
6263 * config/sparc/t-sol2: Assemble those with cpp.
6264 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6265 (*TF*_LIBCALL): If ARCH64 use V9 names.
6266 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6268 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6270 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6271 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6273 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6275 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6276 to Pmode if CASE_VECTOR_MODE is something else.
6278 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6280 * prefix.c (update_path): Correctly handle cases where PATH is
6281 a substring of the builtin prefix, but specifies a different
6284 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6286 * expr.c: Corrected comment about what MOVE_RATIO does.
6287 * config/alpha/alpha.h: Ditto.
6288 * config/1750a/1750a.h: Ditto.
6289 * config/clipper/clipper.h: Ditto.
6290 * config/i386/i386.h: Ditto.
6292 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6294 * configure.in (m68k-next-nextstep3*): Use collect2.
6295 Similarly for x86 NeXT configurations.
6296 * configure: Rebuilt.
6298 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6300 * configure.in: Don't assume srcdir is .../gcc
6301 * configure: Rebuilt.
6303 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6305 * global.c: Update comments.
6306 (global_alloc): Assign allocation-numbers
6307 even for registers allocated by local_alloc in case
6308 they are later spilled and retry_global_alloc is called.
6309 (mark_reg_store, mark_reg_clobber,
6310 mark_reg_conflicts, mark_reg_death): Always record a
6311 conflict with a pseudo register even if it has been
6312 assigned to a hard register.
6313 (dump_conflicts): Don't list pseudo registers already assigned to
6314 a hard register as needing to be allocated, but do list their
6316 * local-alloc.c: Update comment.
6318 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6320 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6321 * configure: Rebuilt.
6323 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6325 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6327 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6328 for all targets that set -msoft-float.
6330 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6332 * toplev.c (print_switch_values): Make static to match prototype.
6334 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6336 * configure.in: If we are unable to find the "gnatbind" program,
6337 then do not configure the ada subdir.
6338 * configure: Rebuilt.
6340 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6342 * version.c: Bump for snapshot.
6344 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6346 * version.c: Bump for snapshot.
6348 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6350 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6351 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6353 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6355 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6357 * genextract.c: Have insn-extract.c include toplev.h.
6359 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6361 * toplev.c: Include expr.h.
6362 (really_sorry, fancy_abort): Remove prototypes.
6363 (set_target_switch): Add argument in prototype.
6364 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6365 (v_really_sorry): Likewise.
6366 (print_version, print_single_switch, print_switch_values): Make
6367 static and add prototype arguments.
6368 (decl_printable_name): Add prototype arguments.
6369 (lang_expand_expr_t): New typedef.
6370 (lang_expand_expr): Declare as a lang_expand_expr_t.
6371 (incomplete_decl_finalize_hook): Add prototype argument.
6372 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6373 (botch): Likewise for variable `s'.
6374 (rest_of_type_compilation): Mark variables `type' and `toplev'
6375 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6376 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6377 (display_help): Make variable `i' an `unsigned long'.
6378 (main): Remove unused parameter `envp'.
6379 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6380 Cast -1 when comparing it with a `size_t'.
6382 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6383 prototype with ATTRIBUTE_NORETURN.
6384 (fatal_insn_not_found, fatal_insn, really_sorry,
6385 push_float_handler, pop_float_handler): Add prototypes.
6386 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6387 (do_abort, botch): Add prototypes.
6389 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6391 * final.c (final): If a label is reached only from a single jump,
6392 call NOTICE_UPDATE_CC on the jump and its predecessor before
6393 emitting the insn after the label.
6395 * i386.h: Add AMD K6 support.
6396 Change TARGET_* macros to use table lookup.
6397 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6398 (ADJUST_COST): Change definition to call function in i386.c.
6399 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6400 * i386.c: Add AMD K6 support.
6401 Add constants for feature tests used by TARGET_* macros.
6402 (split_di): If before reload, call gen_lowpart and gen_highpart.
6403 (x86_adjust_cost): New function.
6404 (put_jump_code): New function.
6405 (print_operand): New codes 'D' and 'd'.
6406 * i386.md: New insn types. New insn attribute "memory".
6407 Redefine scheduling parameters to use new types and add AMD K6
6408 support. Explicitly set type of most insns.
6409 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6410 Pro and K6 prefer movl $1,reg to incl reg.
6411 (adddi3, subdi3): Set cc_status.
6412 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6413 to int; x86 can't have more than 2^31 DImode shifts per file.
6414 (setcc): Combine all setcc patterns. Allow writing memory.
6415 Combine all jump patterns using match_operator.
6416 (*bzero): Name pattern. Emit mutliple stos instructions when that
6417 is faster than rep stos.
6418 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6421 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6423 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6426 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6428 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6429 not whatever we're generating now.
6431 * alpha.c (set_frame_related_p, FRP): New.
6432 (alpha_expand_prologue): Mark frame related insns.
6433 (alpha_expand_epilogue): Likewise, but with a null FRP.
6434 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6435 * alpha.md (exception_receiver): New.
6436 * alpha/crtbegin.asm (.eh_frame): New beginning.
6437 (__do_frame_setup, __do_frame_takedown): New.
6438 * alpha/crtend.asm (.eh_frame): New ending.
6439 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6440 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6441 (ASM_FILE_START): Don't emit .file for dwarf2.
6443 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6444 * rtl.c (reg_note_name): Likewise.
6445 * rtl.texi (REG_NOTES): Likewise.
6446 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6449 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6451 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6452 * i386.md (movsf, movdf, movxf): Validate memory address returned
6453 from force_const_mem. Kill useless REG_EQUAL setting code.
6455 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6457 * m68k.md (zero_extendsidi2): Fix typo.
6459 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6461 * configure.in: Removed references to the removed file
6462 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6463 * arm*-*-netbsd* and ns32k-*-netbsd*.
6464 * config/i386/xm-netbsd.h: Removed unnecessary file.
6465 * config/m68k/xm-netbsd.h: Likewise.
6466 * config/sparc/xm-netbsd.h: Likewise.
6467 * config/mips/xm-netbsd.h: Likewise.
6469 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6471 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6472 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6474 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6475 for exact section attributions.
6477 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6479 * i386/crtdll.h (CPP_PREDEFINES): Define.
6481 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6483 * m68k.md (5200 movqi): Do not allow byte sized memory references
6485 * m68k.c (output_move_qimode): Do not use byte sized operations on
6488 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6489 explicit rules for building. Similarly for alloca, vfprintf,
6490 choose-temp and mkstemp, getopt, getopt1, and obstack.
6491 (INCLUDES): Add $(srcdir)/../include.
6492 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6493 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6495 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6497 * gcc.c (do_spec_1): [case 'o'] Account for
6498 lang_specific_extra_outfiles.
6499 (main): Correctly clear all slots in outfiles for
6500 lang_specific_extra_outfiles. Set input_file_number before
6501 calling lang_specific_pre_link.
6503 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6505 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6507 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6509 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6511 (sparc_output_deferred_case_vectors): If no work to do, return.
6512 Fix thinko in Sept 1 change.
6514 1998-09-03 SL Baur <steve@altair.xemacs.org>
6516 * Makefile.in: add semicolon in BISON definition for portability.
6518 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6520 * config/nextstep.c (handle_pragma): Correct name of third
6523 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6525 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6526 * config/m32r/m32r.h: Make register 17 be fixed.
6527 * config/m32r/m32r.c: Use SImode for cc operations.
6529 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6531 * invoke.texi (Warning Options): Add -Wnon-template-friend
6534 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6536 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6538 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6540 * rs6000.md (movsf): Disable explicit secondary-reload-like
6541 functionality if TARGET_POWERPC64.
6542 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6545 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6547 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6548 and term.h from fixinc.wrap.
6550 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6552 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6553 safe to include both string.h and strings.h together.
6554 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6555 which headers to search for function declarations. Continue to
6556 prefer string.h over strings.h when both are not acceptable.
6558 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6560 * configure.in: Call GCC_HEADER_STRING.
6562 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6563 to include. Continue to prefer string.h over strings.h when both
6566 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6568 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6569 not assume top 32-bits of symbolic addresses are zero if
6572 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6574 * ginclude/va-alpha.h: Protect entire second portion of the
6575 file against double inclusion.
6577 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6579 Added support for the Boehm's garbage collector.
6580 * configure.in: Handle --enable-objc-gc.
6581 * configure: Rebuilt.
6582 * Makefile.in (CHECK_TARGETS): Add check-objc.
6583 (check-objc): New rule.
6584 * objc/Make-lang.in: Build a different Objective-C library that
6585 runs with the Boehm's collector.
6586 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6587 * objc/encoding.c: Correctly compute the size of compound types in
6588 the presence of bitfields. Skip the variable name of the type if
6589 any. Added support for long long.
6590 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6591 (_F_GCINVISIBLE): New mask.
6592 * objc/gc.c: New file. Compute the type memory mask associated with
6593 a class based on the runtime information.
6594 * objc/misc.c: Added the hooks that use the Boehm's collector
6595 allocation functions.
6596 * objc/objc-act.c (build_class_template): Generate a new class
6597 member (gc_object_type) to hold the class' type memory mask.
6598 (build_shared_structure_initializer): Initialize the new member to
6600 (encode_complete_bitfield): New function. Generate the new
6602 (encode_field_decl): Generate the new encoding only for the GNU
6604 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6606 (class_get_gc_object_type): New function to mark a pointer instance
6607 variable as a weak pointer.
6608 * objc/objc-features.texi: New file.
6609 * objc/objc.h (gc_object_type): New class member.
6610 * objc/objects.c (class_create_instance): Create a typed memory
6611 object when compiled with Boehm's collector support.
6612 * objc/sendmsg.c (__objc_init_install_dtable): Call
6613 __objc_send_initialize instead of setting the initialize flag.
6614 (__objc_send_initialize): Call __objc_generate_gc_type_description
6615 to generate the class type memory mask. Rewrite the code that
6616 sends the +initialize so that it is called only once (bug report
6617 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6618 * testsuite/objc: New testsuite for Objective-C type encoding.
6619 * testsuite/lib/objc-torture.exp: New file.
6620 * testsuite/lib/objc.exp: New file.
6622 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6624 * jump.c (jump_optimize): In if/then/else transformations, add
6625 another call to modified_between_p for the jump insn.
6627 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6629 * fix-header.c (symlink): Treat like readlink.
6631 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6633 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6636 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6638 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6639 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6640 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6642 * config/nextstep.c (handle_pragma): Take three arguments, as per
6643 the new HANDLE_PRAGMA macro specification.
6644 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6645 per the new HANDLE_PRAGMA macro specification.
6646 * config/i960/i960.c (process_pragma): Take three arguments, as
6647 per the new HANDLE_PRAGMA macro specification.
6649 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6651 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6652 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6653 if unknown pragmas are encountered.
6654 (handle_sysv_pragma): Interpret return code from
6655 handle_pragma_token (). Return success/failure indication rather
6656 than next unprocessed character.
6657 (pragma_getc): New function: retrieves characters from the
6658 input stream. Defined when HANDLE_PRAGMA is enabled.
6659 (pragma_ungetc): New function: replaces characters back into the
6660 input stream. Defined when HANDLE_PRAGMA is enabled.
6662 * c-pragma.c (handle_pragma_token): Return success/failure status
6665 * c-pragma.h: Change prototype of handle_pragma_token().
6667 * varasm.c: (handle_pragma_weak): Only create this function if
6668 HANDLE_PRAGMA_WEAK is defined.
6670 * c-common,c (decl_attributes): If defined call the expression
6671 contained within the INSERT_ATTRIBUTES macro before adding
6672 attributes to a decl.
6674 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6675 HANDLE_PRAGMA, which takes three arguments.
6676 (INSERT_ATTRIBUTES): Document this new macro.
6678 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6679 new INSERT_ATTRIBUTES macro.
6681 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6683 * config/sparc/sparc.md (movdf): Only generate special RTL for
6684 LABEL_REFs when PIC.
6685 (move_label_di): Remove
6686 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6687 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6688 references when PIC.
6689 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6690 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6691 output an .xword for all 64-bit cases.
6693 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6695 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6696 alignment, use FUNCTION_BOUNDARY instead.
6697 (sparc_output_deferred_case_vectors): Likewise.
6699 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6701 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6702 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6704 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6706 * alpha/va_list.h: New file.
6707 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6709 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6711 * NEWS: Add SCO Openserver and Unixware 7 notes.
6715 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6717 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6718 (record_constant_1): Handle RANGE_EXPR.
6720 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6722 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6723 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6724 and NOTE_INSN_RANGE_END specially.
6725 (reemit_notes): Likewise.
6727 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6729 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6730 (ultrasparc_sched_init): Remove unneeded &.
6732 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6734 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6735 for m68020-60, to prevent the use of fintrz.
6737 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6739 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6741 * Makefile.in: Likewise.
6742 * configure: Regenerated.
6744 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6746 * configure.in (gxx_include_dir): Changed to
6747 '${prefix}/include/g++'-${libstdcxx_interface}.
6748 * configure: Rebuilt.
6750 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6752 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6754 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6755 *sequences* *below* which scalar moves will be used.
6757 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6759 * collect2.c (mktemp): Delete unused declaration.
6761 * config/xm-netbsd.h: Remove unnecessary file.
6762 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6763 file anymore, it is not needed.
6765 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6767 * convert.c (convert_to_integer): Issue an error on conversions to
6770 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6772 * Makefile.in: Add lang_tree_files and gencheck.h.
6773 * configure.in: Generate them.
6774 * gencheck.c: Include gencheck.h.
6776 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6778 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6779 movdi_lo_sum_pic and movdi_high_pic and make visible.
6780 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6781 emit these when Pmode is not SImode.
6782 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6784 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6786 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6787 .linkonce directive after the first time.
6789 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6791 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6792 the clobbered operand overlaps with an input.
6793 (bne0_di): Similarly.
6795 * Makefile.in (INSTALL): Remove "--no-header" argument.
6797 * NEWS: Various updates.
6799 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6801 * config/sparc/sparc.c (arith_operand, const64_operand,
6802 const64_high_operand, arith_double_4096_operand): Mark mode as
6804 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6806 (sparc_emit_set_const64): Remove unused variable i.
6807 (sparc_splitdi_legitimate): Likewise for addr_part.
6808 (ultra_code_from_mask): Likewise for mask.
6809 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6810 reverse return values so it matches usage and comments.
6811 (ultra_flush_pipeline): Likewise.
6812 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6813 this_type, and allow loads and stores of differing FP modes as
6814 they do not create a conflict.
6815 (ultra_find_type): Initialize fpmode to SFmode, fix
6816 parenthesization thinkos in large conditional.
6817 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6818 Init free_slot_mask after ultra_cur_hist is reset, not before.
6819 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6820 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6821 use ultra_flush_pipeline instead, then re-init group pointer.
6822 Fix statement with no effect. If no progress made in, and no
6823 instructions scheduled at all, advance to new pipeline cycle else
6824 we get into an endless loop.
6825 (ultrasparc_adjust_cost): Remove previous arg.
6826 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6828 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6830 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6831 code. Use reg_overlap_mentioned_p to detect when source and
6832 destination overlap.
6833 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6835 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6837 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6838 COMPARISON_VAL, into invariant_p.
6840 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6842 * regmove.c (regclass_compatible_p): New function.
6843 (regmove_optimize): Use it.
6845 Use NREGS parameter insted of calling max_reg_num.
6847 (fixup_match_1): Don't use code = MINUS when later tieing with
6848 a hard register is likely.
6850 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6852 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6853 COMPARISON_VAL was normalized.
6855 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6857 * loop.c (check_dbra_loop): The loop ending comparison value
6858 must be an invariant or we can not reverse the loop.
6860 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6861 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6863 (load_mems_and_recount_loop_regs_set): Likewise.
6865 * i386.c (print_operand): Remove obsolete 'c' docs.
6867 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6869 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6870 * frame.c (init_object_mutex): New function.
6871 (init_object_mutex_once): Likewise.
6872 (find_fde): Call it.
6873 (__register_frame_info): Likewise.
6874 (__register_frame_info_table): Likewise.
6875 (__deregister_frame_info): Likewise.
6877 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6879 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6881 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6883 * loop.c (check_dbra_loop): Enable code for reversal
6884 of some loops without a known constant loop end.
6886 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6888 * haifa-sched.c (last_clock_var): New.
6889 (schedule_block): Initialize it.
6890 (schedule_insn): Use it to fill insn modes with issue information.
6892 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6893 Tag trapb and next insn with TImode.
6894 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6895 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6896 Invoke alphaev5_align_insns as appropriate.
6897 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6898 (MD_SCHED_VARIABLE_ISSUE): New.
6899 * alpha.md (attr type): Add multi.
6900 (define_asm_attributes): New.
6901 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6902 (arg_home): Likewise.
6903 (fnop, unop, realign): New.
6905 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6907 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6908 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6910 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6911 (rs6000-ibm-aix4.[12]*): Likewise.
6912 * configure: Regnerate.
6914 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6916 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6917 already contains the return address.
6919 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6921 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6922 word sized hunks when loading unaligned args into registers.
6924 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6925 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6927 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6929 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6931 * loop.c (check_dbra_loop): Add some code that would allow reversal
6932 of some loops without a known constant loop end if it were enabled.
6934 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6936 * mips.md (lshrsi3_internal2+2): Fix type-o.
6938 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6940 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6941 correctly with regards to stdio.h.
6943 * calls.c: Remove stdarg.h/varargs.h.
6946 * combine.c: Likewise.
6947 * cpperror.c: Likewise.
6948 * cpplib.c: Likewise.
6949 * cpplib.h: Likewise.
6950 * doprint.c: Likewise.
6951 * emit-rtl.c: Likewise.
6952 * final.c: Likewise.
6953 * fix-header.c: Likewise.
6955 * genattr.c: Likewise.
6956 * genattrtab.c: Likewise.
6957 * gencodes.c: Likewise.
6958 * genconfig.c: Likewise.
6959 * genemit.c: Likewise.
6960 * genextract.c: Likewise.
6961 * genflags.c: Likewise.
6962 * genopinit.c: Likewise.
6963 * genoutput.c: Likewise.
6964 * genpeep.c: Likewise.
6965 * genrecog.c: Likewise.
6966 * mips-tfile.c: Likewise.
6967 * prefix.c: Likewise.
6968 * protoize.c: Likewise.
6969 * regmove.c: Likewise.
6970 * toplev.c: Likewise.
6973 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6975 * config/sparc/sparc.c (sparc_override_options): If not
6976 TARGET_FPU, turn off TARGET_VIS.
6977 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6978 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6979 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6980 (movdi_insn_sp64): Add VIS fzero alternative.
6981 (clear_sf, clear_df): New VIS patterns.
6982 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6984 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6986 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6988 * loop.c (n_times_set, n_times_used, may_not_optimize,
6989 reg_single_usage): Convert to varrays. All uses changed.
6990 (insert_loop_mem): Return a value.
6991 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6992 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6995 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6998 * configure.in: Do not set thread_file to "irix" since no such
7001 * sparc.md (float abs/neg splits): Check reload_completed before
7002 calling alter_subreg.
7004 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7006 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7008 * config/sparc/sparc.h: Declare it.
7009 * config/sparc/sparc.md (float abs/neg splits): Use it.
7010 (all other splits): Handle SUBREGs properly where necessary.
7011 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7013 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7015 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7016 an insn on the unfilled_slots_list that has no delay slots.
7017 (fill_eager_delay_slots): Similarly.
7019 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7021 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7022 as an ordinary operand.
7024 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7026 * tree.c (valid_machine_attribute): Don't apply attributes to both
7029 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7031 * reload.c (operands_match_p): Handle rtvecs.
7033 * i386.c (legitimate_pic_address_disp_p): New.
7034 (legitimate_address_p): Use it.
7035 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7036 Handle constant pool symbols just like statics.
7037 (emit_pic_move): Use Pmode not SImode for clarity.
7038 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7039 [UNSPEC]: New, handling what we killed above.
7040 [PLUS]: Detect and abort on invalid symbol arithmetic.
7041 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7043 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7045 * alias.c: Include output.h.
7046 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7047 different if we're in a varargs function.
7048 * Makefile.in (alias.o): Depend on output.h
7050 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7052 * sh.h (GIV_SORT_CRITERION): Delete.
7054 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7056 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7057 * stupid.c (stupid_life_analysis): Ditto.
7058 * reload1.c (reload): Ditto.
7060 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7062 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7063 arith_double_4096_operand, arith_double_add_operand): New
7065 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7066 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7067 them to transform add/sub 4096 into add/sub -4096.
7069 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7071 * loop.c (scan_loop): Allocate some slop to handle pseudos
7072 generated by move_movables.
7073 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7076 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7078 * tree.def (DECL_RESULT): Correct documentation.
7080 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7082 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7083 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7084 conflicts will all RELOAD_FOR_OUTPUT reloads.
7086 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7087 loads the function result, substitute with a USE.
7089 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7091 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7092 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7093 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7094 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7095 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7096 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7098 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7099 'o' to 'm' for GPR variant constraints.
7101 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7103 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7105 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7107 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7108 when the source and destination overlap.
7110 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7111 clash with global type.
7113 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7115 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7117 * c-common.c (combine_strings): Also set TREE_READONLY.
7118 Change warn_write_strings to flag_const_strings.
7119 * c-decl.c, c-tree.h: Likewise.
7121 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7123 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7124 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7125 sequence, use SET/IOR instead so CSE can see it.
7126 * config/sparc/sparc.md (movhi_const64_special,
7127 movsi_const64_special): New patterns necessitated by that change.
7128 (movhi_high): Remove.
7129 (movhi_lo_sum): Change to match an IOR.
7130 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7131 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7132 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7133 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7134 registers are involved.
7135 (snesi_zero_extend split): Remove reload_completed test.
7136 (unnamed plus and minus zero_extend sidi splits): Add it.
7138 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7140 * extend.texi: Remove description of extension to explicit
7141 instantiation that is now endorsed by standard C++.
7143 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7145 * config/arc/arc.c (arc_initialize_pic): Remove.
7146 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7147 nothing on any platform and is invoked by no-one, it does not even
7148 appear in the documentation.
7149 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7150 * config/sparc/sparc.c (initialize_pic): Likewise.
7151 (find_addr_reg): Remove this as well, no longer referenced after
7154 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7156 * recog.c (validate_replace_rtx_group): New function.
7157 * recog.h (validate_replace_rtx_group): Declare it.
7158 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7159 the entire group of substitutions.
7161 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7163 * loop.c (load_mems): Fix initializers.
7165 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7167 * config/sparc/sparc.md (TFmode splits): Handle destination
7168 registers being referenced in the address correctly.
7170 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7171 TREE_UNSIGNED, when bitsize of type's mode is larger than
7172 HOST_BITS_PER_WIDE_INT.
7174 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7176 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7177 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7178 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7180 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7183 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7185 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7186 * h8300.h (TINY_DATA_NAME_P): Likewise.
7187 (STRIP_NAME_ENCODING): Handle '&'.
7189 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7190 register (it could be accessed via an outer SUBREG).
7191 (REG_OK_FOR_BASE_P): Likewwise.
7192 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7194 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7197 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7199 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7201 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7202 must be offsettable so the splits can be made.
7204 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7206 * config/i386/winnt.c: Include system.h, not stdio.h to get
7207 sys/param.h pulled in before rtl.h in case the system defines MIN
7210 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7212 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7214 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7216 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7218 * cpplib.c (cpp_define): Handle macros with parameters.
7220 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7222 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7223 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7224 and DImode 64-bit. Use llong for minimal-toc SFmode and
7225 SYMBOL_REF / LABEL_REF 64-bit.
7226 (output_function_profiler): Use llong for profiler label and ld to
7227 load 64-bit label address.
7229 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7231 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7234 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7236 * version.c: Bump for snapshot.
7238 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7240 * version.c: Bump for snapshot.
7242 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7244 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7246 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7248 * tm.texi (Misc): Fix typo "teh".
7250 * tm.texi (PIC): Fix typo "PPIC".
7252 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7253 effect when -O2 and higher.
7254 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7256 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7258 * regclass.c: Changed register set documentation to be consistent
7261 * final.c (final_start_function) Removed redundant test for
7264 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7266 * rtl.h (rtx_function): New type.
7267 (for_each_rtx): New function.
7268 * rtlanal.c (for_each_rtx): Define it.
7270 * recog.c (change_t): New type.
7271 (change_objects, change_old_codes, change_locs, change_olds):
7273 (changes): New variable.
7274 (validate_change): Dynamically allocate room for more changes, if
7275 necessary. Uses changes array instead of change_objects, etc.
7276 (apply_change_group): Use changes array instead of
7277 change_objects, etc.
7279 * loop.c (loop_mem_info): New type.
7280 (loop_mems): New variable.
7281 (loop_mems_idx): Likewise.
7282 (looop_mems_allocated): Likewise.
7283 (scan_loop): Remove nregs parameter.
7284 (next_insn_in_loop): New function.
7285 (load_mems_and_recount_loop_regs_set): Likewise.
7286 (load_mems): Likewise.
7287 (insert_loop_mem): Likewise.
7288 (replace_loop_mem): Likewise.
7289 (replace_label): Likewise.
7290 (INSN_IN_RANGE_P): New macro.
7291 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7292 (scan_loop): Remove nregs parameter, compute it after any new
7293 registers are created by load_mems. Use INSN_IN_RANGE_P and
7294 next_insn_in_loop rather than expanding them inline. Call
7295 load_mems to load memory into pseudos, if appropriate.
7296 (prescan_loop): Figure out whether or not there are jumps from the
7297 loop to targets other than the label immediately following the
7298 loop. Call insert_loop_mem to notice all the MEMs used in the
7299 loop, if it could be safe to pull MEMs into REGs for the duration
7301 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7303 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7305 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7307 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7309 * config/sparc/sparc.c (finalize_pic): Check for the correct
7310 nonlocal_goto_receiver UNSPEC number.
7311 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7312 making note of this dependency existing in sparc.c
7313 (negtf2_notv9 split): Give NEG SFmode.
7314 (negsf2): Fix insn output string.
7316 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7318 * c-common.c (decl_attributes): Issue an error if the argument
7319 to alias is not a string.
7321 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7323 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7324 pending memory flush list.
7326 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7328 (try_combine): Allow combining insns with REG_LIBCALL notes.
7330 * expr.c (emit_block_move): Do not call memcpy as a libcall
7331 instead build up a CALL_EXPR and call it like any other
7333 (clear_storage): Similarly for memset.
7335 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7338 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7341 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7342 and REG_LIVE_LENGTH as successful substitutions are made.
7344 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7346 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7347 statement after end of loop label.
7349 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7351 * config/sparc/sparc.c (ultra_types_avail): New variable.
7352 (ultra_build_types_avail): New function to record mask of insn
7353 types in ready list at this cycle.
7354 (ultrasparc_sched_reorder): Call it.
7355 (ultra_find_type): Use it to quicken the search. Also simplif
7356 dependency check, don't use rtx_equal_p because we know exactly
7357 what we are looking for.
7359 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7361 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7362 for architecture v4.
7364 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7366 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7368 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7369 movdf_const_intreg and helper splits): New patterns to move float
7370 constants into integer registers.
7371 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7374 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7377 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7379 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7381 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7382 a BASE_REGS register is needed as an intermediate when copying
7383 a symbolic value into any register class other than BASE_REGS.
7385 * expr.c (move_by_pieces): No longer static. Remove prototype.
7386 * rtl.h (move_by_pieces): Add extern prototype.
7387 * mips.c (expand_block_move): Handle aligned straight line copy by
7388 calling move_by_pieces.
7390 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7393 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7395 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7396 jumps out of the loop to be treated as part of the exit test.
7398 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7399 Jeff Law <law@cygnus.com>
7401 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7402 * cplus-dem.c: Delete.
7404 * Makefile.in (fold-const.o): depend on $(RTL_H).
7406 * fold-const.c: Include rtl.h to get the prototype for
7407 `set_identifier_local_value'.
7409 * loop.c (express_from_1): Remove unused variable `tmp'.
7410 (combine_givs): cast the first argument of bzero to char *.
7412 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7414 * c-decl.c (init_decl_processing): Remove unneeded &.
7416 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7418 * except.c (set_exception_lang_code, set_exception_version_code):
7419 Change parameter from `short' to `int' to avoid using a gcc
7422 * except.h (set_exception_lang_code, set_exception_version_code):
7423 Likewise for prototypes.
7425 * flow.c (count_reg_references): Remove unused variables `regno'
7428 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7430 * prefix.c (translate_name): Cast the result of `alloca'.
7432 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7434 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7436 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7438 (valid_dbcc_comparison_p): Mark mode argument as unused.
7439 (symbolic_operand): Likewise.
7440 (legitimize_pic_address): Likewise.
7441 (const_uint32_operand): Likewise.
7442 (const_sint32_operand): Likewise.
7443 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7444 schedule_insns and comment out rest of file.
7446 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7448 (output_move_[hq]imode): Likewise.
7450 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7452 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7453 * invoke.texi: Corresponding changes.
7455 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7457 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7459 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7461 * config/sparc/sparc.c (ultra_code_from_mask,
7462 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7463 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7464 ultrasparc_sched_init, ultrasparc_variable_issue,
7465 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7466 functions to describe UltraSPARC pipeline exactly to Haifa.
7467 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7468 as there is nothing the scheduler can do about it. Indicate that
7469 REG_DEP_OUTPUT's collide. Fixup formatting.
7470 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7471 divide costs on Ultra for DImode.
7472 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7474 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7475 ieuN and add call_no_delay_slot to type list.
7476 (cti function unit): New unit for branches on UltraSPARC.
7477 (subx/addx insns): Set type to misc.
7478 (sidi zero/sign extension insns on arch64): Set type to shift.
7479 (sign_extendhidi2_insn): Set type to sload.
7481 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7483 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7484 (output_epilog): Use if != 0 for offset.
7485 (rs6000_fatal_bad_address): Prepare for Intl.
7486 * rs6000.h (rs6000_fatal_bad_address): Declare.
7487 * rs6000.md (movsfcc, movdfcc): Use else if.
7488 (elf_high): Use {liu|lis}.
7489 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7490 (movsi): Use rs6000_fatal_bad_address.
7492 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7494 * reload.c (find_equiv_reg): Reject equivalences separated
7495 by a volatile instruction.
7497 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7499 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7501 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7503 * alpha.md (movsicc): Fix mode mismatch.
7505 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7507 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7509 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7511 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7513 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7514 write-only modifier from operand 1 constraint.
7516 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7518 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7519 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7521 (sparc_emit_set_const64): Likewise, also when computing trailing
7522 bits do not negate low_bits and make fast_int an int.
7524 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7526 * loop.c (add_label_notes): Do not ignore references to labels
7527 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7528 * gcse.c (add_label_notes): Similarly.
7530 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7532 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7533 (adddi_dishl32): Similarly.
7535 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7537 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7538 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7539 * cse.c (cse_basic_block): Add parens to shut up warnings.
7541 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7543 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7544 sparc_emit_set_const64_longway, const64_is_2insns,
7545 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7546 in 64-bit constant formation.
7547 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7548 rtl for addx not subx.
7549 (define_insn movdi_const64_special): Make available even when
7550 HOST_BITS_PER_WIDE_INT is not 64.
7551 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7552 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7553 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7554 instances of operand 1 inside a QI subreg.
7555 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7556 (one_cmpldi2_sp64): Fix output string.
7557 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7559 (unnamed arch64 ashift DI): Truncate shift count if greater than
7562 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7564 * expr.c (store_expr): Don't optimize away load-store pair
7565 when either source or destination have a side effect.
7567 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7569 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7570 operands of SET are incompatible.
7572 * alpha.md: Fix max and min patterns so modes of SET operands match.
7574 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7576 * configure.in: Avoid [[ by using test and changequote.
7577 * configure: Rebuild.
7579 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7581 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7583 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7584 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7585 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7586 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7587 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7588 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7589 Fix mismatching modes in SET operands.
7590 (conditional move patterns): Fix formatting.
7591 (unnamed subx arch64 pattern): Remove duplicate insn.
7593 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7595 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7596 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7597 (input_operand): Fixup test for what we accept for constant
7599 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7601 (safe_constDI): Remove.
7602 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7603 gen_safe_XOR64): New functions.
7604 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7605 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7607 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7608 available when HOST_BITS_PER_WIDE_INT is not 64.
7609 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7610 move before movdi_insn_sp64 pattern.
7611 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7612 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7613 symbolic_operand as predicate for second operand.
7614 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7615 expander): Give set VOIDmode.
7617 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7619 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7621 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7623 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7625 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7627 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7629 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7631 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7633 * install.texi: Various SCO OpenServer tweaks.
7635 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7637 * reload1.c (eliminate_regs_in_insn): Handle another case when
7638 eliminating the frame pointer to the hard frame pointer. Add
7639 missing ep->to_rtx check to one existing case.
7641 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7643 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7645 * tree.h: De-conditionalize init_priority code.
7647 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7648 * collect2.c (NM_FLAGS): Change from -p to -n.
7650 * configure.in: Turn on collect2 for mipstx39-elf.
7651 Handle use_collect2=no properly.
7653 * c-common.c: De-conditionalize init_priority code.
7654 * collect2.c (extract_init_priority, sort_ids): New fns.
7655 (main): Call sort_ids.
7656 Move sequence_number to file scope.
7658 * configure.in: Handle --enable-init-priority.
7659 * c-common.c (attrs): Add A_INIT_PRIORITY.
7660 (init_attributes, decl_attributes): Likewise.
7661 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7662 * tree.c (get_file_function_name_long): Split out...
7663 (get_file_function_name): ...from here.
7665 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7667 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7670 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7672 * toplev.c (display_help): Add braces to shut up warnings.
7673 * tree.c (simple_cst_equal): Likewise.
7675 * fold-const.c (non_lvalue): Don't deal with null pointer
7677 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7679 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7680 of any size to a pointer.
7682 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7684 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7686 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7688 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7689 which will be saved.
7690 * mn10300.md (prologue insn): Only save registers which need saving.
7691 (epilogue insn): Similarly.
7693 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7696 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7698 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7699 VAR_DECL's in gp addressable sections.
7701 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7703 * sparc.c: Change return <exp> to <exp>; return; in functions
7705 * sparc.md: Add empty semicolon statement after final label in
7708 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7710 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7711 addx_extend_sp64, only allow when TARGET_ARCH64.
7712 (define_insn addx_extend_sp32 and split): Version that works when
7714 (define_insn subx_extend): Likewise.
7715 (define_split adddi3 and subdi3 with zero extension): Fixup and
7716 correct bugs when not TARGET_ARCH64.
7718 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7720 * except.c (set_exception_lang_code, set_exception_version_code):
7721 Use prototype-style definition if __STDC__, to match declaration
7724 * genemit.c: Change FAIL and DONE macros not to use loops.
7726 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7728 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7729 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7731 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7733 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7735 * README.g77: Update from Craig.
7737 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7739 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7741 (safe_constDI sparc_emit_set_const64_quick1,
7742 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7743 analyze_64bit_constant, const64_is_2insns,
7744 create_simple_focus_bits): Fix some bugs when compiled on real
7746 (function_arg_record_value_3, function_arg_record_value_2,
7747 function_arg_record_value): Add fully prototyped forward decls.
7748 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7749 to cmpsi_insn and use on both 64 and 32 bit targets.
7750 (define_insn cmpsi_insn_sp64): Remove.
7751 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7752 (define_insn zero_extendsidi2_insn): Rename to
7753 zero_extendsidi2_insn_sp64.
7754 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7755 assosciated forced split for it.
7757 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7759 * config/sparc/sparc.h: Declare them.
7760 (PREDICATE_CODES): Add them.
7761 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7762 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7764 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7766 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7767 in v9 case as the latter makes the Solaris assembler crash.
7769 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7771 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7772 for TFmode when !v9. We require offsettable memory addresses.
7773 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7774 DFmode register number conversions.
7775 * config/sparc/sparc.md (define_split DFmode moves): If register
7776 is a SUBREG do alter_subreg on it before using.
7777 (define_expand movtf): Fixup comment about alignment on v9.
7778 (define_split TFmode moves): Don't use gen_{high,low}part, create
7779 explicit SUBREGs instead.
7781 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7783 * Makefile.in (mbchar.o): Depend on mbchar.c.
7785 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7786 Richard Henderson <rth@cygnus.com>
7788 Rewrite Sparc backend for better code generation and
7789 improved sparc64 support.
7790 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7792 * config/sparc/sysv4.h: Likewise.
7793 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7794 move_operand, v8plus_regcmp_op, emit_move_sequence,
7795 singlemove_string, doublemove_string, mem_aligned_8,
7796 output_move_double, output_move_quad, output_fp_move_double,
7797 move_quad_direction, output_fp_move_quad, output_scc_insn):
7799 (small_int_or_double): New predicate.
7800 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7801 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7802 old pic_{sethi,lo_sum}_si patterns.
7803 (mem_min_alignment): New generic function to replace
7804 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7805 available and can test for arbitrary alignments. All callers
7807 (save_regs, restore_regs, build_big_number,
7808 output_function_prologue, output_cbranch, output_return,
7809 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7810 sparc_flat_output_function_epilogue): Prettify
7812 (output_function_epilogue): Likewise and add code to output
7813 deferred case vectors.
7814 (output_v9branch): Likewise, add new arg INSN and use it to tack
7815 on branch prediction settings. All callers changed.
7816 (print_operand): Likewise and output %l44 for LO_SUMs when
7818 (sparc_splitdi_legitimate): New function to make sure DImode
7819 splits can be run properly when !arch64.
7820 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7821 Reformat example code in comments.
7822 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7823 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7824 of deferred case vectors we need to output.
7825 (sparc_defer_case_vector): Record a case vector.
7826 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7827 sparc_output_deferred_case_vectors): New functions to output them.
7828 (sparc_emit_set_const32): New function to form 32-bit constants in
7829 registers when that requires more than one instruction.
7830 (safe_constDI, sparc_emit_set_const64_quick1,
7831 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7832 analyze_64bit_constant, const64_is_2insns,
7833 create_simple_focus_bits, sparc_emit_set_const64): New functions
7834 which do the same for 64-bit constants when arch64.
7835 (sparc_emit_set_symbolic_const64): New function to emit address
7836 loading for all code models on v9.
7837 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7838 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7839 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7840 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7841 inaccuracies in comments, add symbolic and text_segment operands
7842 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7843 GENERAL_REGS in these cases as a temp REG is needed to load these
7844 addresses into a register properly.
7845 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7847 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7848 quads are guarenteed to have 16-byte alignment.
7849 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7850 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7851 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7852 deferred case vector implementation.
7853 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7854 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7855 Generate "internal label - label" instead of "label - 1b".
7856 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7857 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7858 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7860 (doublemove_string, output_block_move, output_fp_move_double,
7861 output_fp_move_quad, output_move_double, output_move_quad,
7862 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7863 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7864 (sparc_emit_set_const32, sparc_emit_set_const64,
7865 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7866 mem_min_alignment, small_int_or_double): Add externs.
7867 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7868 UNSPEC_VOLATILE in this backend.
7869 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7870 unary to types which execute in it.
7871 (define_function_unit ieu_shift): Rename to ieu0.
7872 (define_function_unit ieu1): New, executes compare, call, and
7873 uncond_branch type insns.
7874 (define_function_units for type fdivs, fdivd, fsqrt): These
7875 execute in the fpu multiply unit not the adder on UltraSparc.
7876 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7877 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7878 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7879 allows the arith_double_operand predicate and rHI constraint when
7881 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7882 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7883 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7884 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7885 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7886 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7887 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7888 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7889 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7890 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7891 sign_extendqihi2_insn, sign_extendqisi2_insn,
7892 sign_extendqidi2_insn, sign_extendhidi2_insn,
7893 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7894 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7895 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7896 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7897 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7898 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7899 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7900 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7901 smulsi3_highpart_v8plus, unnamed subreg mult,
7902 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7903 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7904 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7905 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7906 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7907 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7908 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7909 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7910 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7911 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7912 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7913 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7914 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7915 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7916 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7917 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7918 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7919 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7920 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7921 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7922 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7923 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7924 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7925 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7926 call_address_untyped_struct_value_sp32,
7927 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7928 call_value_symbolic_sp32, call_value_address_sp64,
7929 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7930 flush_register_windows, goto_handler_and_restore,
7931 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7932 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7933 return_addsi, return_di, return_adddi, return_sf, all call+jump
7934 peepholes, trap, unnamed trap insns): Prettify output strings.
7935 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7936 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7937 Likewise and force + implement splits for integer cases.
7938 (define_insn return_sf_no_fpu): Likewise and allow to match when
7939 no-fpu because of our subreg SFmode splits.
7940 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7941 zero_extendqidi2_insn, zero_extendhidi2_insn,
7942 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7943 input_operand for second operand.
7944 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7945 reg_or_0_operand for operand 2 so new splits can use it.
7946 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7947 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7949 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7950 CONST_DOUBLEs for operand 2.
7951 (define_insn move_label_di): Likewise and label distance
7952 optimization because it no longer works with new deferred case
7953 vector scheme. To be revisited.
7954 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7955 and allow reg_or_0_operand and J constraint for second operand.
7956 (define_insn jump): Set branch predict taken on V9.
7957 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7958 new deferred case vector scheme.
7959 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7960 (define_insn negdi2_sp32): Force + implement splits.
7961 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7962 one_cmplsi2_not_liveg0 respectively, and create expander of original
7963 names which emit special rtl for TARGET_LIVE_G0.
7964 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7965 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7966 gen_compare_reg, FAIL instead.
7967 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7968 values when trying to reverse condition codes, if they FAIL then
7970 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7971 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7972 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7973 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7974 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7975 set output string to # to indicate they are mandatory splits.
7976 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7977 pic_sethi_di, move_pic_label_si): Remove.
7978 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7979 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7981 (define_expand movsi_pic_label_ref, define_insn
7982 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7983 expander and insns to handle PIC label references and deferred
7985 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7987 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7988 Rewrite to not use emit_move_sequence, make use of new constant
7989 formation code, and new splits for all multi-insn cases.
7990 (define_insn movqi_insn): Remove sethi case, it can never happen.
7991 Use reg_or_zero_operand instead of const0_rtx explicit test,
7992 use input_operand instead of move_operand for source, and use
7993 general_operand now for dest.
7994 (define_insn movhi_insn): Similar but leave sethi case.
7995 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7996 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7997 movhi_lo_sum respectively, prettify output string.
7998 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7999 register when needed on TARGET_LIVE_G0.
8000 (define_insn movsi_insn): Use general_operand and input_operand
8001 for dest and src respectively. Simplify applicability test.
8002 Prettify output strings, and add clr alternative for J
8004 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8005 deprecated std and reg-reg DI moves): Remove and...
8006 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8007 implementation which uses forced splits for all non-single insn
8009 (define_split DI move cases on !arch64): New splits to handle all
8010 situations of 64-bit double register DImode on 32bit, and
8011 unaligned registers and memory addresses for all subtargets.
8012 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8014 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8015 input_operand for dest and src respectively, prettify output
8017 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8018 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8020 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8021 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8022 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8023 movtf_no_e_insn_sp64) Replace with new
8024 implementation which uses forced splits for all non-single insn
8026 (define_split DF move cases): New splits in similar vein to DI
8028 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8029 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8030 movdi_sp64_insn): Remove old v9 code model and constant loading
8032 (define_insn pic_lo_sum_di, pic_sethi_di,
8033 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8034 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8035 embmedany_sethi, embmedany_losum, embmedany_brsum,
8036 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8037 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8038 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8039 scheme, using unspecs, secondary reloads, and one to one sparc
8040 insn to rtl insn mapping for better scheduling and code gen.
8041 (define_expand reload_indi, reload_outdi): Reload helpers for
8042 MEDANY and EMBMEDANY symbol address loading cases which require a
8044 (define_expand movsicc): Remove v8plus_regcmp cases.
8045 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8046 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8047 cmp_diqi_trunc_set): New patterns used by some of the new scc
8049 (define_insn xordi3_sp64_dbl): New pattern used for constant
8050 formation when crossing from 32-bit targets.
8051 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8053 (define_insn addx, subx): Make visible and prettify.
8054 (define_insn adddi3_insn_sp32): Likewise and force split.
8055 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8056 64bit scc split usage.
8057 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8058 zero_extend, subdi3): Force and implement splits.
8060 * final.c (final_scan_insn): Don't output labels if target
8061 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8064 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8065 don't forget to walk inside SEQUENCESs too as these are what the
8066 delay slot scheduler will create.
8068 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8070 * alpha.md (extxl+1,+2): New patterns to work around
8073 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8075 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8076 caused bad assembly code to be generated.
8078 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8080 * netbsd.h: Fix typo.
8082 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8084 * config.sub: Fix typo.
8086 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8088 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8090 (Running Protoize): Typo: Change "ther" into "other".
8092 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8094 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8095 * m68k/netbsd.h: Likewise.
8096 * ns32k/netbsd.h: Likewise.
8097 * sparc/netbsd.h: Likewise.
8099 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8101 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8102 * ginclude/va-clipper.h (va_list): Likewise.
8104 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8106 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8107 load/store multiple instructions unless user overrides.
8109 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8111 * ns32k/netbsd.h: Fix typo.
8113 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8115 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8116 labels with .debugsym if no parallel insns.
8118 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8120 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8121 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8123 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8125 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8126 (AR_FOR_TARGET): Define.
8128 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8130 * dyn-string.h: New file.
8131 * dyn-string.c: Likewise.
8132 * Makefile.in (OBJS): Add dyn-string.o.
8133 (dwarf2out.o): Add dyn-string.h dependency.
8134 (dyn-string.o): List dependencies.
8135 * dwarf2out.c: Include dyn-string.h.
8136 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8137 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8138 prototype. Use dyn_string_append rather than strcat, throughout.
8139 (addr_to_string): Use dyn_string_t.
8141 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8143 Function entry/exit profiling instrumentation:
8144 * expr.h (profile_function_entry_libfunc,
8145 profile_function_exit_libfunc): Declare new variables.
8146 * optabs.c: Define them here.
8147 (init_optabs): Initialize them.
8148 * tree.h (struct tree_decl): New flag
8149 no_instrument_function_entry_exit.
8150 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8151 * c-decl.c (duplicate_decls): Merge it.
8152 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8153 (init_attributes): Use it for "no_instrument_function".
8154 (decl_attributes): Handle it, for functions that have not yet been
8155 compiled. Set decl flag.
8156 * flags.h (flag_instrument_function_entry_exit): Declare new
8158 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8159 (f_options): New option "instrument-functions".
8160 * function.h (struct function): New field instrument_entry_exit.
8161 * function.c (current_function_instrument_entry_exit): New
8163 (push_function_context_to, pop_function_context_from): Save and
8165 (expand_function_start): Set current_ variable, maybe emit return
8166 label and entry profile call.
8167 (expand_function_end): Maybe emit exit profile call.
8169 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8171 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8172 NON_QI_REG_P, pretend the register is SImode.
8174 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8176 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8177 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8178 manufacturer id for ns32k.
8179 * configure: Regenerated.
8180 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8181 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8182 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8183 * config/m68k/netbsd.h: Same.
8184 * config/ns32k/netbsd.h: Same.
8185 * config/sparc/netbsd.h: Same.
8187 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8189 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8190 or UNROLL_COMPLETELY loop that starts with a jump to its
8193 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8195 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8196 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8197 (print_operand, case 'B'): Don't fall through.
8198 (print_operand, case 'S'): Correct mask begin/end computation.
8199 Use HOST_BITS_PER_WIDE_INT.
8200 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8201 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8202 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8203 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8205 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8207 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8208 constraint from second alternative.
8210 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8212 * configure.in: Fix --without/--disable cases for local-prefix,
8213 gxx-include-dir and checking.
8215 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8217 * configure.in (enable_haifa): Set by default for sparc64 too.
8220 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8222 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8223 * i386/winnt.c (associated_type): New fn.
8224 (i386_pe_valid_type_attribute_p): New fn.
8225 (i386_pe_check_vtable_importexport): Remove.
8226 (i386_pe_dllexport_p): Use associated_type.
8227 (i386_pe_dllimport_p): Likewise.
8229 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8230 * i386.c (i386_valid_type_attribute_p): Also accept
8231 attributes for METHOD_TYPEs.
8233 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8235 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8237 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8239 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8241 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8242 them from generating a new base name for each occurence of
8245 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8247 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8249 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8253 * cplus-dem.c (type_kind_t): New type.
8254 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8255 on this paramter, rather than demangling the type again.
8256 (demangle_integral_value): Pass tk_integral.
8257 (demangle_template_: Pass the value returned from do_type.
8258 (do_type): Return a type_kind_t. Pass tk_integral to
8259 demangle_template_value_parm for array bounds.
8260 (demangle_fund_type): Likewise.
8262 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8264 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8267 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8269 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8271 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8273 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8275 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8278 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8280 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8281 (DEBUGGER_ARG_OFFSET): Likewise.
8283 * mn10300.md (movsf): Remove last change. Not needed.
8285 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8287 * c-lex.c (yylex): Fix boundary conditions in character literal and
8288 string literal loops.
8290 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8292 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8293 being invoked incorrectly.
8295 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8296 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8298 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8299 * configure.in: Added i[34567]86-*-win32
8300 * config.sub: Ditto.
8301 * configure: Rebuilt.
8303 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8305 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8306 the frame pointer and compiling PIC code and reload has not completed.
8308 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8311 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8313 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8315 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8317 * Makefile.in (install-info): Only try to update the info
8318 directory file if it exists in the first place.
8320 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8322 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8324 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8326 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8327 CONST_DOUBLE source.
8329 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8331 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8332 strings as the insertion of USER_LABEL_PREFIX.
8333 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8335 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8338 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8340 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8341 already defined type.
8343 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8345 * expr.c (check_max_integer_computation_mode): Allow conversions
8346 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8347 (expand_expr): Likewise.
8349 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8351 * expr.c (expand_expr): Expand RETURN_EXPR.
8353 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8355 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8357 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8359 * dwarf2out.c (output_aranges): Call stripattributes
8360 for TEXT_SECTION references.
8361 (output_line_info): Likewise.
8363 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8365 * profile.c (branch_prob): Call allocate_reg_info after outputting
8366 profile rtl in instrument_arcs.
8368 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8370 * fixinc.irix (math.h): Install wrapper instead of copying.
8372 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8374 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8375 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8376 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8377 lang_flag_0. Added documentation in the flag table.
8379 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8381 * cccp.c (do_include): Fix vax c style include handling.
8383 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8385 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8387 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8389 * fold-const.c (non_lvalue): Don't deal with null pointer
8391 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8393 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8395 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8396 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8397 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8398 (u_short_cint_operand): Same.
8399 (reg_or_cint_operand): Same.
8400 (logical_operand): Same.
8401 (input_operand): Same.
8402 (reg_or_short_operand): Use u_short_cint_operand.
8404 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8406 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8407 but keep the insns and splits. Adjust so when the ultimate destination
8408 is memory, use cvtql.
8410 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8412 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8414 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8416 * gcc.c (do_spec): Call "error" not "warning".
8418 * configure.in: Fix minor problems with gas feature detection code.
8419 * configure: Rebuilt.
8421 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8424 * gcc.c: Delete %[spec] support.
8425 (do_spec_1, case '('): Likewise.
8426 (do_spec_1, case '['): Call error.
8428 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8430 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8431 (CPP_SUBTARGET_SPEC): Default to empty string.
8432 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8433 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8434 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8435 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8437 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8438 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8439 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8440 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8441 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8442 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8443 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8444 * alpha/vxworks.h: Likewise.
8446 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8448 * mips.md (reload_outsi): Added missing REGNO call.
8449 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8451 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8452 another match_operator and compare the codes.
8454 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8456 * MIPS multiply pattern fixes:
8457 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8458 Add union classes for HI, LO, or HILO plus general registers.
8459 (GENERATE_MADD): Deleted.
8460 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8461 Add TARGET_MAD to condition.
8462 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8463 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8464 "*d" for accumulator, to give preference to LO initially but not
8467 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8469 * configure.in (enable_c_mbchar): New configure option.
8470 (extra_cpp_objs): Always available now.
8472 * cexp.y (mbchar.h): #include it.
8473 (yylex): Handle Multibyte characters in character literals.
8475 * cccp.c (mbchar.h): #include it.
8476 (main): Set character set based on LANG environment variable.
8477 (rescan): Handle multibyte characters in comments.
8478 (skip_if_group): See above.
8479 (validate_else): See above.
8480 (skip_to_end_of_comment): See above.
8481 (macarg1): See above.
8482 (discard_comments): See above.
8483 (rescan): Handle multibyte characters in string and character literals.
8484 (collect_expansion): See above.
8485 (skip_quoted_string): See above.
8486 (macroexpand): See above.
8487 (macarg1): See above.
8488 (discard_comments): See above.
8489 (change_newlines): See above.
8491 * c-lex.c (mbchar.h): #include it.
8492 (GET_ENVIRONMENT): New macro.
8493 (init_lex): Set character set based on LANG environment variable.
8494 (yylex): Handle multibyte characters in character literals.
8495 (yylex): Handle multibyte characters in string literals.
8497 * Makefile.in (mbchar.o): New target.
8498 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8499 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8501 * mbchar.[ch]: New files for multibyte character handling.
8503 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8505 * jump.c (jump_optimize): When simplifying noop moves and
8506 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8507 the PUSHes to rewrite in second loop as we did in the first.
8509 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8511 * cplus-dem.c (demangle_nested_args): Make function definition
8512 static to match the prototype.
8514 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8516 * alloca.c: Respect USE_C_ALLOCA.
8517 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8518 * gengenrtl.c (xmalloc): Likewise.
8520 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8522 * loop.h (struct induction): Add no_const_addval.
8523 * loop.c (the_movables, reg_address_cost): New variables.
8524 (init_loop): Init reg_address_cost.
8525 (loop_optimize): Call end_alias_analysis.
8526 (scan_loop): Init the_movables.
8527 (record_giv): Init induction->no_const_addval.
8528 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8529 [REG]: Rearrange loop search test to catch more cases.
8530 (general_induction_var): Return success not benefit; take an extra
8531 argument for that. Change all callers.
8532 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8533 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8534 [default]: Search the_movables for additional combinations.
8535 (sge_plus_constant, sge_plus): New functions.
8536 (express_from_1): New function.
8537 (express_from): Always define. Rewrite using express_from_1.
8538 (combine_givs_p): Handle more cases. Ignore address cost.
8539 (cmp_combine_givs_stats): New function.
8540 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8541 (combine_givs): Rewrite to do best-fit combination.
8543 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8544 (fold): Do a complete (A*C)+(B*C) association check.
8546 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8548 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8550 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8552 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8554 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8556 * tree.c (valid_machine_attribute): Only create a new type variant if
8557 there is a decl to use it.
8559 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8561 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8564 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8566 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8569 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8571 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8572 Simplify tests for clearing an address register.
8573 (expand_prologue): Corresponding changes.
8575 * mn10300.md (movXX patterns): Make sure the destination is an
8576 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8577 (logical patterns): Split into expanders + patterns
8578 (zero and sign extension patterns): Similarly.
8579 (shift patterns): Similarly.
8581 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8583 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8584 for the sequence, recording base values.
8586 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8588 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8590 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8592 * gcc.c: Remove ANSI-C ism from --help code.
8594 * toplev.c: Support --help with USE_CPPLIB.
8596 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8598 * configure.in: Rework gas feature code to work with symlink based
8601 * extend.texi: Clarify some issues related to local variables
8602 assigned to explicit registers.
8604 * mn10300.md (mulsi): Turn into expander + pattern.
8606 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8609 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8611 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8613 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8615 * version.c: Bump again to distinguish mainline tree from the
8618 See ChangeLog.0 for earlier changes.
8621 add-log-time-format: current-time-string
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